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Key Documents

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143634

Sigma-Aldrich

p-Tolyl isocyanate

99%

Sinónimos:

4-Methylphenyl isocyanate

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About This Item

Fórmula lineal:
CH3C6H4NCO
Número de CAS:
622-58-2
Peso molecular:
133.15
Beilstein/REAXYS Number:
471494
EC Number:
210-743-4
MDL number:
MFCD00002029
UNSPSC Code:
12352100
PubChem Substance ID:
24848599
NACRES:
NA.22

assay

99%

form

liquid

refractive index

n20/D 1.531 (lit.)

bp

70-72 °C/10 mmHg (lit.)

density

1.056 g/mL at 25 °C (lit.)

storage temp.

2-8°C

SMILES string

Cc1ccc(cc1)N=C=O

InChI

1S/C8H7NO/c1-7-2-4-8(5-3-7)9-6-10/h2-5H,1H3

InChI key

MGYGFNQQGAQEON-UHFFFAOYSA-N

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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.

Application

p-Tolyl isocyanate was used to study the catalytic role of supported Rhodium(I) complex toward the reductive carbonylation of nitrobenzene in DMF medium.

signalword

Danger

Hazard Classifications

Acute Tox. 4 Dermal - Acute Tox. 4 Inhalation - Acute Tox. 4 Oral - Eye Dam. 1 - Resp. Sens. 1 - Skin Corr. 1C - Skin Sens. 1 - STOT SE 3

target_organs

Respiratory system

Storage Class

8A - Combustible corrosive hazardous materials

wgk_germany

WGK 3

flash_point_f

150.8 °F - closed cup

flash_point_c

66 °C - closed cup

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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B T Butcher et al.
The Journal of allergy and clinical immunology, 70(4), 231-235 (1982-10-01)
Toluene diisocyanate (TDI) sensitivity accompanied by nonspecific bronchial hyperresponsiveness occurs in approximately 5% of occupationally exposed workers. We report the case of a 32-yr-old worker followed longitudinally after removal from isocyanate exposure. TDI reactivity was lost 11 mo after removal
J M Danks et al.
Clinical allergy, 11(2), 161-168 (1981-03-01)
Radioallergosorbent testing was used to look for the presence of specific IgE antibody against a para-tolyl-mono-isocyanate human serum albumin conjugate in sera from five groups of subjects. The first three groups consisted of individuals exposed to toluene diisocyanate (TDI) who
Catalytic Activity of Supported Rhodium (I) Complex for the Carbonylation of Nitrobenzene: Mechanism for Carbamate Formation.
Kim JH, et al.
Bull. Korean Chem. Soc., 31(6), 1621-1627 (2010)
K S Tse et al.
Allergy, 40(5), 314-320 (1985-07-01)
The prevalence of sensitization was studied in a group of 76 foundry workers with occupational exposure to diphenylmethane diisocyanate (MDI). Ten workers had clinical evidence of asthma, 40 had non-asthmatic respiratory symptoms, and 26 were asymptomatic. Specific IgE antibodies to
Johannes Lenz et al.
Polymers, 11(8) (2019-07-31)
A series of new flame retardants (FR) based on dibenzo[d,f][1,3,2]dioxaphosphepine 6-oxide (BPPO) incorporating acrylates and benzoquinone were developed previously. In this study, we examine the fire behavior of the new flame retardants in polyisocyanurate (PIR) foams. The foam characteristics, thermal
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