Application
WANNATE® PM-200 is a diisocyanate-diphenylmethane(MDI)-based composition containing some higher functionality isocyanates. The functionality is about 2.6-2.7. It is a brown liquid at ambient temperatures.
WANNATE® PM-200 can be widely used in the production of rigid PU foam heat-insulating materials; also used in isocyanurate foam, paints, adhesives, structural foam, cellular integral skin foam, automotive bumper and interior parts, high-resilience foam and synthetic wood, etc. Due to its unique composition structure, WANNATE® PM-200 can provide better flowability. It is, therefore, particularly suitable for the production which require strict flowability of systems.
Typical Physical and Chemical Properties
Test Item(s) |
Specification(s) |
Appearance |
Brown Liquid |
Viscosity at 25℃, mPa.S |
150-250 |
NCO, % |
30.5-32.0 |
Density 25℃, g/cm3 |
1.220-1.250 |
Acidity (HCl), % |
≤0.05 |
Hydrolysable Chlorine, % |
≤0.2 |
Package(s)
210L iron drums, 250kg/drum
Storage
Since WANNATE® PM-200 is a reactive chemical, reaction with atmospheric moisture happens easily and leads to the formation of insoluble ureas and carbon dioxide gas, which can result in pressure build-up in closed containers and viscosity increase of the product. Containers must therefore be absolutely dry and carefully sealed after congested with nitrogen.
Containers of WANNATE® PM-200 should be kept properly closed and stored indoors at ambient temperature (15-35℃) in a well-ventilated area. Storage at low temperature (below 5℃) may lead to some crystallization; this material must, therefore, be protected from frost.
If crystallization does occur, the material should be heated by rolling the drum in a hot air oven at 70-80℃ to melt it out, and should then be thoroughly agitated before use. Melting in a water bath is not recommended.

Extended storage at temperatures above 50℃ is not recommended to prevent from the formation of insoluble solids and viscosity increase.
Shelf Life
Under recommended storage conditions, the shelf life of WANNATE® PM-200 is one year since the date of production.
Material Safety Datasheet

Section 1 - PRODUCT AND COMPANY IDENTIFICATION
Product Name: Wannate PM 200, polymethylene polyphenylene isocyanate,
Polymeric MDI (PMDI)
Recommended uses:
Component of a Polyurethane System

Section 2 - HAZARDS IDENTIFICATION
Important hazards: GHS Classification:
ACUTE TOXICITY: INHALATION - Category 4
SKIN CORROSION/IRRITATION - Category 2
SERIOUS EYE DAMAGE/ EYE IRRITATION - Category 2B RESPIRATORY SENSITIZATION - Category 1
SKIN SENSITIZATION - Category 1
SPECIFIC TARGET ORGAN TOXICITY (SINGLE EXPOSURE) Respiratory tract
irritation - Category 3
Symbols:

Signal Words:
Danger
Hazard Statements: Harmful if inhaled. Causes skin irritation.
Causes serious eye irritation.
May cause allergy or asthma symptoms or breathing difficulties if inhaled. May cause an allergic skin reaction.
May cause respiratory irritation.
Precautionary Statements: Prevention:
Wear protective gloves. In case of inadequate ventilation wear respiratory
protection. Use only outdoors or in a well-ventilated area. Avoid breathing vapour.
Wash thoroughly after handling. Contaminated work clothing should not be allowed out of the workplace
Response:
IF ON SKIN: Take off contaminated clothing and wash before reuse. Wash with plenty of soap and water. If skin irritation or rash occurs: Get medical advice/attention.
IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Wash hands after handling.
IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. If breathing is difficult, remove victim to fresh air and keep at rest in a position comfortable for breathing. Call a POISON CENTER or doctor/physician if you feel unwell. If experiencing respiratory symptoms: Call a POISON CENTER or
doctor/physician.
Storage:
Store locked up. Reacts slowly with water to produce carbon dioxide which may rupture closed containers. This reaction accelerates at higher temperatures.
Disposal:
Dispose of contents and container in accordance with all local, regional, national and
international regulations.
Important symptoms:
Section 3 - COMPOSITION / INFORMATION ON INGREDIENTS
Substance/mixture : mixture
NAME |
CAS RN |
% |
polymethylene polyphenylene isocyanate 4,4'-methylenediphenyl diisocyanate |
9016-87-9
101-68-8 |
50 – 70
30 – 50 |

Section 4 - FIRST AID MEASURES
Eye
In case of contact, immediately flush eyes with plenty of water for at least 15 minutes. Check for and remove any contact lenses. Get medical attention immediately.
Skin
After contact with skin, wash immediately with plenty of warm soapy water. Remove contaminated clothing and shoes. Continue to rinse for at least 10 minutes. An MDI study has demonstrated that a polyglycol-based skin cleanser (such as D-TamTM, PEG-400) or corn oil may be more effective than soap and water. Get medical attention if symptoms occur. Wash clothing before reuse. Clean shoes thoroughly
before reuse.
Inhaled
Harmful if inhaled. May cause respiratory irritation. This product is a respiratory irritant and potential respiratory sensitiser: repeated inhalation of vapour or aerosol at
levels above the occupational exposure limit could cause respiratory sensitisation. Symptoms may include irritation to the eyes, nose, throat and lungs, possibly combined with dryness of the throat, tightness of chest and difficulty in breathing. The onset of the respiratory symptoms may be delayed for several hours after exposure. A hyper-reactive response to even minimal concentrations of diisocyanates may develop in sensitised persons.
LC50 (rat) : ca. 490 mg/m³ (4 hours) : using experimentally produced respirable aerosol having aerodynamic diameter <5microns.
Swallowed
No specific data.
Protection of first-aiders
Use proper personal protective equipment as indicated in Section 8.
Notes to an attending physician:
Symptomatic and supportive therapy as needed. Following severe exposure medical follow-up should be monitored for at least 48 hours.

Section 5 - FIRE FIGHTING MEASURES
Suitable extinguishing media Foam, CO2 or dry powder.
Specific hazards
In a fire or if heated, a pressure increase will occur and the container may burst.
Specific extinguishing methods
Fire-fighters should wear appropriate protective equipment and self-contained breathing apparatus (SCBA) with a full face-piece operated in positive pressure mode. PVC boots, gloves, safety helmet and protective clothing should be worn.
Precautions for fire-fighters
Promptly isolate the scene by removing all persons from the vicinity of the incident if
there is a fire. No action shall be taken involving any personal risk or without suitable training.

Section 6 - ACCIDENTAL RELEASE MEASURES
Personal Precautions
No action shall be taken involving any personal risk or without suitable training. Evacuate surrounding areas. Keep unnecessary and unprotected personnel from entering. Do not touch or walk through spilt material. Avoid breathing vapour or mist. Provide adequate ventilation.
Protective equipment
Wear appropriate respirator when ventilation is
inadequate. Put on appropriate personal protective equipment
Emergency procedures Environmental precautions
Avoid dispersal of spilt material and runoff and contact with soil, waterways, drains and sewers. Inform the relevant authorities if the product has caused environmental pollution (sewers, waterways, soil or air).
Methods and materials for containment and cleaning up
Stop leak if without risk. Move containers from spill area. Approach the release from upwind.
If the product is in its solid form: Spilled MDI flakes should be picked up carefully. The area should be vacuum cleaned to remove remaining dust particles completely. If the product is in its liquid form: Absorb spillages onto sand, earth or any suitable adsorbent material. Leave to react for at least 30 minutes. Do not absorb onto sawdust or other combustible materials. Shovel into open-top drums for further decontamination. Wash the spillage area with water. Test atmosphere for MDI vapour. Neutralise small spillages with decontaminant. Remove and dispose of residues. The compositions of liquid decontaminants are given in Section 16. Note: see section 1 for emergency contact information and section 13 for waste disposal.
Secondary disaster prevention measures

Section 7 - HANDLING AND STORAGE
For handling:
Persons with a history of skin sensitisation problems or asthma, allergies or chronic or recurrent respiratory disease should not be employed in any process in which this product is used. Put on appropriate personal protective equipment (see Section 8). Do not get in eyes or on skin or clothing. Avoid breathing vapour or mist. Use only with adequate ventilation. Atmospheric concentrations should be minimised and kept as low as reasonably practicable below the occupational exposure limit. The efficiency of the ventilation system must be monitored regularly because of the possibility of blockage. Wear appropriate respirator when ventilation is inadequate. When the product is sprayed or heated, suitable respiratory protection equipment with positive air supply is required. Keep in the original container or an approved alternative made from a compatible material, kept tightly closed when not in use. A basic essential in sampling, handling and storage is the prevention of contact with water. Empty containers retain product residue and can be hazardous. Do not reuse container. Keep equipment clean. Keep stocks of decontaminant readily available.
For storage:
Store in accordance with local regulations. Keep container tightly closed and sealed
until ready for use. Containers that have been opened must be carefully resealed and kept upright to prevent leakage. Do not store in unlabelled containers. Use
appropriate containment to avoid environmental contamination.Unsuitable containers: copper,
copper alloy and galvanised surfaces

Section 8 - EXPOSURE CONTROLS / PERSONAL PROTECTION
Exposure limit values
Diphenylmethane 4,4'- diisocyanate
GBZ-2 (China, 4/2007).
PC-TWA: 0.05 mg/m³ 8 hour(s).
PC-STEL: 0.1 mg/m³ 15 minute(s).
Engineering controls
Use only with adequate ventilation. Use process enclosures, local exhaust ventilation or other engineering controls to keep worker exposure to airborne contaminants below any recommended or statutory limits. Diisocyanates can only be smelled if the occupational exposure limit has been exceeded considerably.
Personal protective equipment
Eye protection
Safety eyewear complying with an approved standard should be used when a risk assessment indicates this is necessary to avoid exposure to liquid splashes, mists or dusts.
Respiratory protection
Use a properly fitted, air-purifying or air-fed respirator complying with an approved standard if a risk assessment indicates this is necessary. Respirator selection must be based on known or anticipated exposure levels, the hazards of the product and the safe working limits of the selected respirator.
Hand protection
Use chemical resistant gloves classified under Standard EN374: protective gloves against chemicals and microorganisms.Examples of glove materials that might provide suitable protection include :Butyl rubber, Chlorinated polyethylene, Polyethylene, Ethyl vinyl alcohol copolymers laminated (“EVAL”), Polychloroprene (Neoprene*), Nitrile/butadiene rubber (“nitrile”or “NBR”), Polyvinyl chloride (“PVC”or “vinyl”), Fluoroelastomer (Viton*).
When prolonged or frequently repeated contact may occur, a glove with protection class of 5 or higher (breakthrough time greater then 240 minutes according to
EN374) is recommended. When only brief contact is expected, a glove with protection class of 3 or higher
(breakthrough time greater than 60 minutes according to EN374) is recommended. Contaminated gloves should be decontaminated and disposed of.
Notice: The selection of a specific glove for a particular application and duration of use in a workplace should also take into account all requisite workplace factors such as, but not limited to : other chemicals that may be handled, physical requirements (cut/puncture protection, dexterity, thermal protection), as well as instructions/specifications provided by the glove supplier. Protective gloves should be worn when handling freshly made polyurethane products to avoid contact with trace residual materials which may be hazardous in contact with skin.
Use gloves approved to relevant standards e.g. EN 374 (Europe), F739 (US). Suitability and durability of a glove is dependent on usage, e.g. frequency and duration of contact, chemical resistance of glove material and dexterity. Always seek advice from glove suppliers. Additional information can be found for instance at
www.gisbau.de.
Skin and body protection
Personal protective equipment for the body should be selected based on the task being performed and the risks involved and should be approved by a specialist before handling this product.

Section 9 - PHYSICAL AND CHEMICAL PROPERTIES
Appearance Viscous. Liquid
Colour: Dark brown.
Physical data
Odour: musty
pH: Not applicable.
Melting point/freezing point:
Boling Point (℃
): >204( decomposes) decomposes before boiling
Flash point(℃
): >230 °C
Explosive limits: Not available.
Vapor Pressure: 10-4 mm Hg at 40 °C
Saturated vapor pressure (mmHg): Relative Vapor Density:
Relative Density (water=1): 1.220~1.250 at 25 °C
Solubility: insoluble in water.
Coefficient of Oil/Water Distribution (Partition Coefficient): Not available.
Auto-ignition temperature: Not available.
Decomposition temperature (℃): >300

Section 10 - CHEMICAL STABILITY AND REACTIVITY INFORMATION
Chemical Stability:
Stable at room temperature.
Conditions to Avoid:
Avoid high temperatures,Avoid high temperatures.
Incompatible materials:
Water, alcohols, amines, bases, and acids.
Hazardous Decomposition Products:
Combustion products may include: carbon oxides (CO, CO2) nitrogen oxides (NO, NO2 etc.) hydrocarbons and HCN.
Possibility of Hazardous Reactions:
Reaction with water (moisture) produces CO2-gas. Exothermic reaction with materials containing active hydrogen groups. The reaction becomes progressively more vigorous and can be violent at higher temperatures if the miscibility of the reaction partners is good or is supported by stirring or by the presence of solvents. MDI is insoluble with, and heavier than water and sinks to the bottom but reacts slowly at the interface. A solid water-insoluble layer of polyurea is formed at the
interface by liberating carbon dioxide gas.

Section 11 - TOXICOLOGICAL INFORMATION
Acute toxicity:
Product/ingredient name Result Species Dose Exposure
Diphenylmethane 4,4'- diisocyanate LD50 Dermal Rabbit >5000 mg/kg -
LD50 Oral Rat >5000 mg/kg - LC50 Inhalation Rat 0.49 mg/L 4 hours Dusts and mists
Skin irritation/corrosion:
Adverse symptoms may include the following: irritation
redness
Eye damage/irritation:
Causes eye irritation.
Respiratory or skin sensitization:
shown that respiratory sensitisation can be induced by skin contact with known respiratory sensitisers including diisocyanates. These results emphasize the need for protective clothing including gloves to be worn at all times when handling these chemicals or in maintenance work.
Reproductive cell mutagenicity:
No known significant effects or critical hazards.
Carcinogenicity:
Rats have been exposed for two years to a respirable aerosol of polymeric MDI which resulted in chronic pulmonary irritation at high concentrations. Only at the top level (6 mg/m3), there was a significant incidence of a benign tumour of the lung (adenoma) and one malignant tumour (adenocarcinoma). There were no lung tumours at 1 mg/m3 and no effects at 0.2 mg/m3. Overall, the tumour incidence, both benign and malignant, and the number of animals with the tumours were not different from controls. The increased incidence of lung tumours is associated with prolonged respiratory irritation and the concurrent accumulation of yellow material in the lung, which occurred throughout the study. In the absence of prolonged exposure to high concentrations leading to chronic irritation and lung damage, it is highly
unlikely that tumour formation will occur.
Reproductive toxicity:
Specific target organ toxicity —
single exposure:
Specific target organ toxicity —
repeated exposure:
Aspiration hazard:

Section 12 - ECOLOGICAL INFORMATION
Ecotoxicity: |
|
Product/ingredient name Test |
Result |
Species |
Exposure |
Diphenylmethane 4,4'- diisocyanate - |
Acute EC50
>1000 mg/L |
Daphnia |
48 hours |
- |
Acute LC50 |
Fish |
96 hours |
|
>1000 mg/L |
|
|
Persistence and degradability: Bioaccumulative potential:
Mobility in soil:
By considering the production and use of the substance, it is unlikely that significant environmental exposure in the air or water will arise. Immiscible with water, but will react with water to produce inert and non-biodegradable solids. Conversion to soluble products, including diamino- diphenylmethane (MDA), is very low under the
optimal laboratory conditions of good dispersion and low concentration. In air, the predominant degradation process is predicted to be a relatively rapid OH radical attack, by calculation and by analogy with related diisocyanates.

Section 13 - DISPOSAL CONSIDERATIONS
The generation of waste should be avoided or minimised wherever possible. Empty containers or liners may retain some product residues. This material and its container must be disposed of in a safe way. Dispose of surplus and non-recyclable products via a licensed waste disposal contractor. Disposal of this product, solutions and any by-products should at all times comply with the requirements of environmental protection and waste disposal legislation and any regional local authority requirements. Avoid dispersal of spilt material and runoff and contact with
soil, waterways, drains and sewers.
Section 14 - TRANSPORTATION INFORMATION
ADR/RID Not required IMO Not required
ICAO Not required
Further Information Not classified as dangerous in the meaning of transport regulations.
Section 15 - REGULATORY INFORMATION
Regulatory Information The product is classified and label ed according to Regulation (EC) No. 1272/2008 (GHS/CLP).
Contains isocyanates. See information supplied by the
manufacturer.

Section 16 - OTHER INFORMATION
Disclaimer:
This information is based on our current level of knowledge and relates to the product in the state in which it is delivered. It is intended to describe our products from the point of view of safety requirements and is not intended to guarantee any particular properties.
Completed on: 1/1/2015