1,2-Benzenediamine,hydrochloride (1:2)

Modify Date: 2025-08-25 09:59:10

1,2-Benzenediamine,hydrochloride (1:2) structure	Common Name	1,2-Benzenediamine,hydrochloride (1:2)
	CAS Number	615-28-1	Molecular Weight	181.06300
	Density	N/A	Boiling Point	257ºC at 760 mmHg
	Molecular Formula	C₆H₁₀Cl₂N₂	Melting Point	258ºC (dec.)(lit.)
	MSDS	Chinese USA	Flash Point	124.9ºC
	Symbol	GHS07, GHS08, GHS09	Signal Word	Warning

Name	OPD EASY-tablets
Synonym	More Synonyms

Boiling Point	257ºC at 760 mmHg
Melting Point	258ºC (dec.)(lit.)
Molecular Formula	C₆H₁₀Cl₂N₂
Molecular Weight	181.06300
Flash Point	124.9ºC
Exact Mass	180.02200
PSA	52.04000
LogP	3.61740
Appearance of Characters	tablet \| white to off-white
Stability	Stable. Incompatible with strong oxidizing agents.
Water Solubility	H2O: 1 tablet/10 mL, clear, colorless \| Slightly soluble in water; freely soluble in alcohol, chloroform or ether

1,2-Benzenediamine,hydrochloride (1:2) MSDS(Chinese)

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ST0175000

CHEMICAL NAME :: o-Phenylenediamine, dihydrochloride

CAS REGISTRY NUMBER :: 615-28-1

LAST UPDATED :: 199710

DATA ITEMS CITED :: 15

MOLECULAR FORMULA :: C6-H8-N2.2Cl-H

MOLECULAR WEIGHT :: 181.08

WISWESSER LINE NOTATION :: ZR BZ &GH 2

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 290 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 600 mg/kg

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

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 200 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 250 mg/kg

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

TYPE OF TEST :: LD - Lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rabbit

DOSE/DURATION :: >500 mg/kg

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

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Amphibian - frog

DOSE/DURATION :: 4 gm/kg

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

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 130 gm/kg/78W-C

TOXIC EFFECTS :: Tumorigenic - equivocal tumorigenic agent by RTECS criteria Liver - tumors

TYPE OF TEST :: TDLo - Lowest published toxic dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 260 gm/kg/78W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

TYPE OF TEST :: TD - Toxic dose (other than lowest)

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 518 gm/kg/78W-C

TOXIC EFFECTS :: Tumorigenic - Carcinogenic by RTECS criteria Liver - tumors

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 100 ug/plate

REFERENCE :: EMMUEG Environmental and Molecular Mutagenesis. (Alan R. Liss, Inc., 41 E. 11th St., New York, NY 10003) V.10- 1987- Volume(issue)/page/year: 19(Suppl 21),2,1992 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOES - National Occupational Exposure Survey (1983) NOES Hazard Code - X3727 No. of Facilities: 412 (estimated) No. of Industries: 3 No. of Occupations: 9 No. of Employees: 6080 (estimated) No. of Female Employees: 5092 (estimated)

Symbol	GHS07, GHS08, GHS09
Signal Word	Warning
Hazard Statements	H302-H317-H319-H332-H341-H351-H410
Precautionary Statements	P273-P280-P305 + P351 + P338-P501
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves;type P2 (EN 143) respirator cartridges
Hazard Codes	Xn,N,T
Risk Phrases	22-40-43-51/53-68-50/53-36-25-20/21-36/37/38
Safety Phrases	36/37-61-60-45-28-26
RIDADR	UN 2811 6.1/PG 3
WGK Germany	3
RTECS	ST0175000
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2921590090

Precursor 0
DownStream 10
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HS Code	2921590090
Summary	2921590090. other aromatic polyamines and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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MFCD00012966

benzene-1,2-diamine,dihydrochloride

EINECS 210-418-7