Millipore Sigma Vibrant Logo
Attention: We have moved. Merck Millipore products are no longer available for purchase on MerckMillipore.com.Learn More

820797 Diphenylmethane 4,4'-diisocyanate

Diphenylmethane 4,4'-diisocyanate (mixture of di-and triisocyanates) for synthesis. CAS 101-68-8, molar mass 250.25 g/mol.

Diphenylmethane 4,4'-diisocyanate MSDS (material safety data sheet) or SDS, CoA and CoQ, dossiers, brochures and other available documents.

Synonyms: Methylenediphenylene diisocyanate

CAS #: 101-68-8 EC Number: 202-966-0 Molar Mass: 250.26 g/mol Hill Formula: C₁₅H₁₀N₂O₂
820797
Purchase on Sigma-Aldrich

Overview

Replacement Information

Key Spec Table

CAS #EC NumberHill FormulaMolar Mass
101-68-8202-966-0C₁₅H₁₀N₂O₂250.26 g/mol

Products

Catalogue NumberPackaging Qty/Pack
8207970100 Glass bottle 100 ml
8207970500 Glass bottle 500 ml
8207979999 0
Description
Catalogue Number820797
SynonymsMethylenediphenylene diisocyanate
References
Product Information
CAS number101-68-8
EC index number615-005-00-9
EC number202-966-0
Hill FormulaC₁₅H₁₀N₂O₂
Molar Mass250.26 g/mol
HS Code2929 10 00
Structure formula ImageStructure formula Image
Quality LevelMQ200
Applications
ApplicationDiphenylmethane 4,4'-diisocyanate (mixture of di-and triisocyanates) for synthesis. CAS 101-68-8, molar mass 250.25 g/mol.
Biological Information
Physicochemical Information
Boiling point196 °C (7 hPa)
Density1.32 g/cm3 (20 °C)
Explosion limit0.4 %(V)
Flash point211 °C
Ignition temperature>600 °C
Melting Point39 - 43 °C
Vapor pressure0.066 hPa (20 °C)
Solubility2 g/l (decomposition)
Dimensions
Materials Information
Toxicological Information
LD 50 oralLD50 Rat > 5000 mg/kg
LD 50 dermalLD50 Rabbit > 9000 mg/kg
Safety Information according to GHS
Hazard Pictogram(s) Hazard Pictogram(s)
Hazard Pictogram(s)
Hazard Statement(s)H315: Causes skin irritation.
H317: May cause an allergic skin reaction.
H319: Causes serious eye irritation.
H332: Harmful 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 organs through prolonged or repeated exposure if inhaled.
Precautionary Statement(s)P202: Do not handle until all safety precautions have been read and understood.
P260: Do not breathe dust.
P280: Wear protective gloves/ protective clothing/ eye protection/ face protection/ hearing protection.
P302 + P352: IF ON SKIN: Wash with plenty of water.
P305 + P351 + P338: IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P308 + P313: IF exposed or concerned: Get medical advice/ attention.
Signal WordDanger
Storage class10 - 13 Other liquids and solids
WGKWGK 1 slightly hazardous to water
Disposal11
Organic acid halides, anhydrides and isocyanates can be added dropwise to an excess of methanol (Cat. No. 822283) to convert them into the corresponding methyl esters or methyl carbamates. If necessary, neutralize with sodium hydroxide solution (Cat. No. 105587). Fill into container A.
Safety Information
Categories of dangerharmful, irritant, carcinogenic, sensitizing
Product Usage Statements
Storage and Shipping Information
StorageStore below +30°C.
Packaging Information
Transport Information
Supplemental Information
Specifications
Assay (GC, area%)45.0 - 65.0 % (a/a)
Density (d 20 °C/ 4 °C)1.236 - 1.242
isomer Diisocyantes (GC, area%)≤ 10.0 % (a/a)
triisocyanate (GC, area%)20.0 - 40.0 % (a/a)
Identity (IR)passes test
Global Trade Item Number
Catalogue Number GTIN
8207970100 04022536466828
8207970500 04022536466835
8207979999 04022536466842

Related Products & Applications

Categories

Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Polyaddition Reagents
Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Polycondensation Reagents
Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Nitriles and Isonitriles > Isocyanates
Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Products for Pharma > Organic Synthesis Building Blocks and Reagents for Pharma > Nitriles and Isonitriles > Isocyanates
Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Polyaddition Reagents
Reagents, Chemicals and Labware > Organic Synthesis > Organic Synthesis Product Groups > Nitriles and Isonitriles > Isocyanates
Reagents, Chemicals and Labware > Organic Synthesis > Product Line for synthesis > Polycondensation Reagents