4,4'-diisocyanato-3,3'-dimethyl-1,1'-biphenyl

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3,3'-dimethyl-4,4'-diisocyanatobiphenyl

CAS: 91-97-4 C16 H12 N2 O2 MW: 264.28404000

Identification

Name4,4'-diisocyanato-3,3'-dimethyl-1,1'-biphenyl
CAS Number91-97-4
EINECS202-112-7
FDA UNII9L950NB0HN
Molecular FormulaC16 H12 N2 O2
Molecular Weight264.28404000
MDL NumberMFCD00019908
Nikkaji NumberJ41.830G
Beilstein2743710

Regulatory

DG SANTE Food Contact Materials3,3'-dimethyl-4,4'-diisocyanatobiphenyl
FDA Mainterm (IAUFC)91-97-4 ; BITOLYLENE DIISOCYANATE

Physical Properties

Assay 95.00 to 100.00
Food Chemicals Codex Listed No
Soluble in water, 0.1337 mg/L @ 25 °C (est)

No sensory data available

Safety Information

Preferred SDSView
Oral/Parenteral Toxicityunreported-mammal (species unspecified) LD > 5000 mg/kg
Dermal ToxicityNot determined
Inhalation ToxicityNot determined

GHS Classification

['GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)', 'GHS Label elements, including precautionary statements', 'U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. Vol. NX#02412']

Safety in Use

Categoryindirect food additives: adhesives and components of coatings
Recommendation for 4,4'-diisocyanato-3,3'-dimethyl-1,1'-biphenyl usage levels up tonot for fragrance use.
Recommendation for 4,4'-diisocyanato-3,3'-dimethyl-1,1'-biphenyl flavor usage levels up tonot for flavor use.

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Potential Uses

None Found

Natural Occurrence

not found in nature

Synonyms

bitolylene diisocyanate 1-iso cyanato-4-(4-isocyanato-3-methylphenyl)-2-methylbenzene iso cyanic acid, 3,3'-dimethyl-4,4'-biphenylylene ester (7CI,8CI) 3,3'- dimethyl-4,4'-diisocyanatobiphenyl nacconate 200 Try the PubMed Search.