Chemical Product Identification & Regulatory Data
Official chemical identifiers, CAS numbers, and regulatory compliance information
Basic Product Information
Regulatory Identifiers
Chemical Abstracts Service registry number - unique identifier for chemical substances
European Community number - used for regulatory compliance in EU/EEA
Uses Information
Overview
4,4'-Methylenebis(phenyl isocyanate) (CAS: 101-68-8 ) is a crystalline substance commonly used su24 scientific research and development.
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GHS Hazard Classification & Safety Warnings
Globally Harmonized System (GHS) hazard pictograms, signal words, and safety classifications
Classification Status
Signal Word
Hazard Classifications
GHS Hazard Pictograms & Safety Symbols
GHS06
GHS08
GHS (Globally Harmonized System) pictograms indicate specific chemical hazard categories and safety precautions
Hazard Statements
- H315: Causes skin irritation.
- H317: May cause an allergic skin reaction.
- H319: Causes serious eye irritation.
- H330: Fatal if inhaled.
- H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
- H335: May cause respiratory irritation.
- H351: Suspected of causing cancer.
- H373: May cause damage to the lung, the blood and the immune system through prolonged or repeated exposure. Route of exposure: Inhalation, Dermal.
Precautionary Statements
- P260: Do not breathe dust/fume/gas/mist/vapors/spray.
- P280: Wear protective gloves / protective clothing.
- P304+P340: IF INHALED: Remove person to fresh air and keep comfortable for breathing.
- P310: Immediately call a POISON CENTER/doctor.
Chemical Manufacturers & Supply Chain
Authorized suppliers, manufacturers, and distribution network information
Alfa Aesar Thermo Fisher Scientific Chemicals, Inc.
manufacturer
24/7 Emergency Response & Poison Control
Critical emergency contact numbers for chemical spills, exposure incidents, and medical emergencies
Emergency Contact
800-343-0660
Monday-Friday, 8am-7pm EST
After normal business hours, call Carechem
Chemical Composition & Hazardous Ingredients
Detailed component analysis, concentration ranges, and hazardous substance identification
Product Type
substanceChemical Components & Hazardous Substances
| Chemical Name | CAS Number | Concentration | Hazardous |
|---|---|---|---|
| 4,4'-methyleendifenyldiisocyanaat EC: 202-966-0 | 101-68-8 | Not specified | ✓ Non-hazardous |
Emergency First Aid Measures
Critical first aid procedures for chemical exposure incidents and medical emergencies
🫁 Inhalation Exposure
Supply fresh air. If required, provide artificial respiration. Keep patient warm. Seek immediate medical advice.
Symptoms:
Fatal if inhaled. May cause allergy or asthma symptoms or breathing difficulties if inhaled.
🖐️ Skin Contact
Immediately wash with water and soap and rinse thoroughly. Seek immediate medical advice.
Symptoms:
Causes skin irritation.
👁️ Eye Contact
Rinse opened eye for several minutes under running water. Then consult a doctor.
Symptoms:
Causes serious eye irritation.
🍽️ Ingestion/Swallowing
Seek medical treatment.
Related Chemical Substances & Alternative Products
Similar chemicals with comparable safety profiles and industrial applications
Technical Specifications & Material Properties
Physical state, chemical properties, melting point, boiling point, and material characteristics
Exposure Controls & Personal Protective Equipment (PPE)
Occupational exposure limits, engineering controls, and required safety equipment
🏭 Engineering Controls
Properly operating chemical fume hood designed for hazardous chemicals and having an average face velocity of at least 100 feet per minute.
🧤 Hand Protection
Impervious gloves. Check protective gloves prior to each use for their proper condition. The selection of suitable gloves not only depends on the material, but also on quality. Quality will vary from manufacturer to manufacturer. Penetration time of glove material (in minutes) Not determined
👁️ Eye Protection
Safety glasses with side shields / NIOSH (US) or EN 166(EU)
😷 Respiratory Protection
Use self-contained respiratory protective device in emergency situations. Recommended filter device for short term use: Use a respirator with type P100 (USA) or P3 (EN 143) cartridges as a backup to engineering controls. Risk assessment should be performed to determine if air-purifying respirators are appropriate. 'Only use equipment tested and approved under appropriate government standards.
🦺 Skin/Body Protection
Protective work clothing.
Transportation & Shipping Information
UN numbers, shipping names, transport classes, and regulatory transport requirements
🏷️ UN Number
UN2811
📦 Proper Shipping Name
Toxic solids, organic, n.o.s. (4,4'-Methylenebis(phenyl isocyanate))
⚠️ Transport Hazard Class
6.1
📋 Packing Group
III
🚛 ADR Transport Precautions
Warning: Toxic substances F-A,S-Ã A
🚢 IMDG Maritime Transport Precautions
Warning: Toxic substances F-A,S-Ã A
✈️ IATA Air Transport Precautions
Warning: Toxic substances F-A,S-Ã A
Chemical Safety FAQ & Common Questions
Most frequently asked questions about safety, handling, storage, and regulatory compliance
What is the hazard signal word for 4,4'-Methylenebis(phenyl isocyanate)?
The signal word for this substance is "danger".
What is 4,4'-Methylenebis(phenyl isocyanate) used for?
SU24 Scientific research and development
What are the hazard statements for 4,4'-Methylenebis(phenyl isocyanate)?
This substance has 8 hazard statements: H315: Causes skin irritation. H317: May cause an allergic skin reaction. H319: Causes serious eye irritation. H330: Fatal if inhaled. H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled. H335: May cause respiratory irritation. H351: Suspected of causing cancer. H373: May cause damage to the lung, the blood and the immune system through prolonged or repeated exposure. Route of exposure: Inhalation, Dermal.
What is the melting point of 4,4'-Methylenebis(phenyl isocyanate)?
The melting point is 41-44 ℃ (106-111 ºF) and the boiling point is 194 ℃ (381 ºF).