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4,

4,4'-Methylenebis(phenyl isocyanate)

DANGER SDS/MSDS

Chemical Product Identification & Regulatory Data

Official chemical identifiers, CAS numbers, and regulatory compliance information

Basic Product Information

Product Name
4,4'-Methylenebis(phenyl isocyanate)
Product Code
36627

Regulatory Identifiers

CAS Number
N/A

Chemical Abstracts Service registry number - unique identifier for chemical substances

Uses Information

Identified Uses
SU24 Scientific research and development

Overview

4,4'-Methylenebis(phenyl isocyanate) is a crystalline substance commonly used su24 scientific research and development.

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Organize and access your chemical safety data with ease.

GHS Hazard Classification & Safety Warnings

Globally Harmonized System (GHS) hazard pictograms, signal words, and safety classifications

Classification Status

Classified

Signal Word

danger (Danger)

Hazard Classifications

Acute Tox. Category 2 H330
Resp. Sens. Category 1 H334
Carc. Category 2 H351
STOT RE Category 2 H373
Skin Irr. Category 2 H315
Eye Irrit. Category 2A H319
Skin Sens. Category 1 H317
STOT SE Category 3 H335

GHS Hazard Pictograms & Safety Symbols

GHS06 GHS Hazard Pictogram: Acute toxicity hazard - Poisonous materials that can cause death or serious harm

GHS06

GHS07 GHS Hazard Pictogram: Health hazard warning - Materials harmful to health including irritants and sensitizers

GHS07

GHS08 GHS Hazard Pictogram: Serious health hazard - Carcinogenic, mutagenic, or toxic to organs

GHS08

GHS (Globally Harmonized System) pictograms indicate specific chemical hazard categories and safety precautions

Hazard Statements

  • H330: Fatal if inhaled.
  • H315: Causes skin irritation.
  • H319: Causes serious eye irritation.
  • H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled.
  • H317: May cause an allergic skin reaction.
  • H351: Suspected of causing cancer.
  • H335: May cause respiratory irritation.
  • 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. company logo - Safety Data Sheet supplier organization

Alfa Aesar Thermo Fisher Scientific Chemicals, Inc.

manufacturer

📍

30 Bond Street, Ward Hill, MA 01835-8099

🌍

US

📞

800-343-0660

📠

800-322-4757

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

substance

Chemical Components & Hazardous Substances

Chemical Name CAS Number Concentration Hazardous
N/A 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.

Fire Fighting Measures & Emergency Response

Fire suppression methods, extinguishing media, and firefighting safety procedures

Suitable Extinguishing Media

Carbon dioxide, extinguishing powder or water spray. Fight larger fires with water spray or alcohol resistant foam.

⚠️ Specific Fire Hazards

If this product is involved in a fire, the following can be released: Carbon monoxide and carbon dioxide, Nitrogen oxides (NOx)

🛡️ Firefighter Protection Equipment

Wear self-contained respirator. Wear fully protective impervious suit.

Accidental Release Measures & Spill Response

Emergency spill cleanup procedures, containment methods, and environmental protection

🚨 Emergency Procedures

Wear protective equipment. Keep unprotected persons away. Ensure adequate ventilation.

🌍 Environmental Precautions

Do not allow material to be released to the environment without proper governmental permits.

🧹 Cleanup Methods

Dispose of contaminated material as waste according to section 13.

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

🧪 Physical State
Not available
📊 Physical State Data
Not available
📊 State Under Standard Conditions
Not available
👁️ Appearance
Crystalline
🎨 Colour
Not available
📊 Colour Intensity
Not available
📊 Form
Not available
👃 Odor
Weak, characteristic
📊 Odor Threshold
Not determined.
🧪 Ph
Not applicable.
🧊 Melting Point
41-44 ℃ (106-111 ºF)
Critical Property
💨 Boiling Point
194 ℃ (381 ºF)
Critical Property
🔥 Flash Point
196 °C (385 ºF)
Critical Property
📊 Freezing Point
Not available
📊 Softening Point
Not available
📊 Solidification Point
Not available
📊 Cloud Point
Not available
📊 Crystallisation Point
Not available
📊 Relative Evaporation Rate
Not available
💨 Evaporation Rate
Not applicable.
💨 Vapor Pressure
0.066 hPa
📊 Vapor Density
Not applicable.
📊 Relative Density
Not determined.
📊 Bulk Density
Not available
⚖️ Density
1.239 g/cm3 (10.339 lbs/gal)
Critical Property
🔥 Flammability
Not determined.
📊 Upper Explosive Limit
Not determined
📊 Lower Explosive Limit
0.4 Vol %
📊 Explosive Limits
Not available
📊 Auto Ignition Temperature
>600 °℃ (>1112 ºF)
📊 Decomposition Temperature
Not determined
💧 Solubility
Not available
📊 Partition Coefficient
Not determined.
📊 Solubility In Water
2 g/l
📊 Solubility In Fat
Not available
📊 Molecular Weight
Not available
📊 Voc Content
Not available
📊 Metal Corrosion
Not available
📊 Dynamic Viscosity
Not available
📊 Kinematic Viscosity
Not available
📊 Properties Status
Not available

Safe Handling & Storage Procedures

Industrial handling precautions, storage conditions, and workplace safety requirements

⚠️ Handling Precautions

• Keep container tightly sealed.

• Ensure good ventilation at the workplace.

• Open and handle container with care.

🏪 Storage Conditions

• Store in freezer (-20 ℃).

• Protect from heat.

• Store away from oxidizing agents.

• Keep container tightly sealed.

🔥 Fire Prevention Measures

No information known.

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.

Chemical Stability & Reactivity Data

Chemical stability, hazardous reactions, and incompatible materials information

Chemical Stability

Stable under recommended storage conditions.

⚗️ Reactivity

No information known.

⚠️ Hazardous Reactions

Reacts with strong oxidizing agents

🚫 Conditions to Avoid

No further relevant information available.

🧪 Incompatible Materials

Oxidizing agents, Heat

💨 Hazardous Decomposition Products

Carbon monoxide and carbon dioxide, Nitrogen oxides

Ecological Information & Environmental Impact

Environmental toxicity, biodegradation, bioaccumulation, and ecological effects data

🌱 Toxicity

Aquatic toxicity: No further relevant information available.

🌱 Persistence and degradability

No further relevant information available.

🌱 Bioaccumulative potential

No further relevant information available.

🌱 Mobility in soil

No further relevant information available.

🌱 Results of PBT and vPvB assessment

PBT: Not applicable. vPvB: Not applicable.

🌱 Endocrine disrupting properties

No further relevant information available.

🌱 Other adverse effects

No further relevant information available.

Waste Disposal & Treatment Methods

Waste disposal procedures, treatment methods, and regulatory compliance requirements

♻️ Waste Treatment Methods

Consult state, local or national regulations to ensure proper disposal.

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

Regulatory Information & Compliance

Chemical regulations, safety assessments, and regulatory compliance status

📋 Regulatory Summary

The product is classified and labeled in accordance with 29 CFR 1910 (OSHA HCS).

Chemical Safety Assessment

No chemical safety assessment has been performed for this substance.

ℹ️ Additional Regulatory Information

All components of this product are listed in the U.S. Environmental Protection Agency Toxic Substances Control Act Chemical substance Inventory and on the Canadian Domestic Substances List (DSL).

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: H330: Fatal if inhaled. H315: Causes skin irritation. H319: Causes serious eye irritation. H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled. H317: May cause an allergic skin reaction. H351: Suspected of causing cancer. H335: May cause respiratory irritation. 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).