CAS 105-12-4|1,4-Dinitrosobenzene

Introduction：Basic information about CAS 105-12-4|1,4-Dinitrosobenzene, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Toxicological Information
CHEMICAL IDENTIFICATION
HEALTH HAZARD DATA
ACUTE TOXICITY DATA
4. Safety Information
5. Customs
6. Synonyms

Common Name	1,4-Dinitrosobenzene
CAS Number	105-12-4	Molecular Weight	136.10800
Density	1.3 g/cm3	Boiling Point	259.7ºC at 760 mmHg
Molecular Formula	C₆H₄N₂O₂	Melting Point	146.5ºC
MSDS	/	Flash Point	103.5ºC

Names

Name	1,4-Dinitrosobenzene
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.3 g/cm3
Boiling Point	259.7ºC at 760 mmHg
Melting Point	146.5ºC
Molecular Formula	C₆H₄N₂O₂
Molecular Weight	136.10800
Flash Point	103.5ºC
Exact Mass	136.02700
PSA	58.86000
LogP	2.48240
Vapour Pressure	0.0206mmHg at 25°C
Index of Refraction	1.594
InChIKey	MKZXROSCOHNKDX-UHFFFAOYSA-N
SMILES	O=Nc1ccc(N=O)cc1

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CZ7875500

CHEMICAL NAME :: Benzene, p-dinitroso-

CAS REGISTRY NUMBER :: 105-12-4

BEILSTEIN REFERENCE NO. :: 1841285

LAST UPDATED :: 199709

DATA ITEMS CITED :: 6

MOLECULAR FORMULA :: C6-H4-N2-O2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 1020 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: KCRZAE Kauchuk i Rezina. Crude and Vulcanized Rubber. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.11- 1937- Volume(issue)/page/year: (11),38,1985

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 200 mg/m3/2H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: KCRZAE Kauchuk i Rezina. Crude and Vulcanized Rubber. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.11- 1937- Volume(issue)/page/year: (11),38,1985

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 1230 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: KCRZAE Kauchuk i Rezina. Crude and Vulcanized Rubber. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.11- 1937- Volume(issue)/page/year: (11),38,1985

TYPE OF TEST :: LCLo - Lowest published lethal concentration

ROUTE OF EXPOSURE :: Inhalation

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 200 mg/m3/2H

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: KCRZAE Kauchuk i Rezina. Crude and Vulcanized Rubber. (V/O Mezhdunarodnaya Kniga, 113095 Moscow, USSR) V.11- 1937- Volume(issue)/page/year: (11),38,1985 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X2379 No. of Facilities: 421 (estimated) No. of Industries: 7 No. of Occupations: 12 No. of Employees: 11153 (estimated) No. of Female Employees: 1771 (estimated)

Safety Information

Hazard Codes	Xn
Risk Phrases	R20/22:Harmful by inhalation and if swallowed .
Safety Phrases	S28
RIDADR	UN 2811 6.1/PG 3
WGK Germany	1
HS Code	2904209090

Customs

HS Code	2904209090
Summary	2904209090 derivatives containing only nitro or only nitroso groups。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%

Synonyms

P-Dinitrosobenzol

PARA-DINITROSOBENZENE

p-dinitroso-benzen

Benzene,1,4-dinitroso

EINECS 203-272-0

1,4-dinitroso-benzene

1,4-dinitroso-benzen

Benzene,p-dinitroso

P-DINITROSOBENZENE

Dinitrosobenzene

1,4-Dinitrosobenzol

rd3435-49

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