p-Tolyl isocyanate

CAS No.：622-58-2

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p-Tolyl isocyanate Basic information

Product Name:	p-Tolyl isocyanate
Synonyms:	Isocyanic acid, p-tolyl ester (7CI,8CI);Oftoluene diisocyanate;p-Tolyl isocyanate 99%;benzene,1-isocyanato-4-methyl-;isocyanatedep-toluene;p-Isocyanatotoluene;p-Toluene isocyanate;p-tolueneisocyanate
CAS:	622-58-2
MF:	C8H7NO
MW:	133.15
EINECS:	210-743-4
Product Categories:	ester series;organic chemical
Mol File:	622-58-2.mol

p-Tolyl isocyanate Chemical Properties

Melting point	155-156 °C(Solv: acetonitrile (75-05-8); hexane (110-54-3))
Boiling point	70-72 °C/10 mmHg (lit.)
density	1.056 g/mL at 25 °C (lit.)
vapor pressure	75.5Pa at 25℃
refractive index	n20/D 1.531(lit.)
Fp	152 °F
storage temp.	2-8°C
form	Liquid
color	Clear slightly brown
Water Solubility	7.5g/L at 20℃
Sensitive	Moisture Sensitive
BRN	471494
InChIKey	MGYGFNQQGAQEON-UHFFFAOYSA-N
LogP	1.39
CAS DataBase Reference	622-58-2(CAS DataBase Reference)
NIST Chemistry Reference	Benzene, 1-isocyanato-4-methyl-(622-58-2)
EPA Substance Registry System	p-Tolyl isocyanate (622-58-2)

Safety Information

Hazard Codes	Xn
Risk Statements	20/21/22-36/37/38-42
Safety Statements	23-26-45-36/37/39
RIDADR	2206
WGK Germany	3
RTECS	DA3681666
F	21
TSCA	Yes
HazardClass	6.1
PackingGroup	II
HS Code	29299010

MSDS Information

Provider	Language
4-Methylphenyl isocyanate	English
ACROS	English
SigmaAldrich	English
ALFA	English

p-Tolyl isocyanate Usage And Synthesis

Chemical Properties	CLEAR SLIGHTLY BROWN LIQUID
Uses	p-Tolyl isocyanate was used to study the catalytic role of supported Rhodium(I) complex toward the reductive carbonylation of nitrobenzene in DMF medium.
Definition	ChEBI: An isocyanate comprising a benzene core with isocyanato and methyl substituents para to each other.
General Description	p-Tolyl isocyanate reacts with human serum albumin to form antigen which helps in detecting IgE antibodies in workers hypersensitive to toluene diisocyanate.
Hazard	A Poison by inhalation. Moderately toxic by ingestion.

p-Tolyl isocyanate Preparation Products And Raw materials

Raw materials	carbon monoxide-->N-Hydroxy-4-methylbenzamide-->tert-Butyl N-(4-Methylphenyl)carbaMate-->Sodium cyanate-->4-Chlorotoluene-->(4-METHYLPHENYL)AMINO](OXO)ACETIC ACID-->p-Toluidine-->4-Nitrotoluene-->p-Toluic acid-->4-METHYLACETANILIDE-->P-TOLUAMIDE-->Triphosgene-->p-Toluoyl chloride-->1,1'-Carbonyldiimidazole-->Diphosgene
Preparation Products	1,3-di-p-tolylurea

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