Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,5-Diaminotoluene
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 95-70-5,2,5-Diaminotoluene
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

95-70-5

95-70-5 structure

Name: 2,5-Diaminotoluene
Chemical Name: 2-methyl-1,4-phenylenediamine
CAS Number: 95-70-5
Molecular Formula: C₇H₁₀N₂
Molecular Weight: 122.168
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
Create Date: 2018-05-05 08:00:00
Modify Date: 2026-07-04 02:05:46

Name	2-methyl-1,4-phenylenediamine
Synonyms	2-methyl-4-benzenediamine 2,5-Diaminotoluene > Toluylene-2,5-diamine p-Toluylendiamine 2-hydroxy-N-(4-methyl-2-nitrophenyl)-3-nitrobenzamide pa-meta-tolylenediamine 2-Methylbenzene-1,4-diamine DIAMINOTOLUENES 2-METHYL-BENZENE-1,4-DIAMINE OEM 1,4-Benzenediamine, 2-methyl pa-toluylenediamine 5,2,5-Diaminotoluene 2-methyl-1,4-benzenediamine EINECS 202-442-1 p,m-Tolylenediamine TOLUENE-2,5-DIAMINE 4-Amino-2-methylaniline MFCD00035779 2-Methyl-1,4-phenylene diamine TOLUENE-2,5-DIAMINE(ANDITSSALTS) 2,5-Diaminotoluene,100 μL/mL in MeOH 2,5-DIAMINO TOLUENE FREE 2,5-tolylenediamine 2-Methyl-1,4-benzenediamine 2-Methyl-p-phenylenediamine 1,4-Diamino-2-methylbenzene p-Toluylene-diamine Sodium 5-[(4-nitroph p-Toluenediamine 4-TOLUYLENEDIAMINE C.I ci76042 pa-toluenediamine 2,5-Diaminotoluol 2-methyl-pa-phenylenediamine 1-METHYL-2,5-DIAMINOBENZENE 2,5-DIAMINOTOLUENE 1,4-benzenediamine,2-methyl p-Toluilenediamine 4-Benzenediamine,2-methyl-1 2-methyl-p-phenylenediamine 2,5-toluenediamine China 2-methyl-1,4-phenylenediamine 2,5-Diaminotoluene (~) pa-tolylenediamine ZR DZ B1 1,4-DIAMINO-2-METHYLBENZENESULFATE

Density	1.1±0.1 g/cm3
Boiling Point	273.7±20.0 °C at 760 mmHg
Melting Point	64°C
Molecular Formula	C₇H₁₀N₂
Molecular Weight	122.168
Flash Point	140.6±21.3 °C
Exact Mass	122.084396
PSA	52.04000
LogP	-0.22
Vapour Pressure	0.0±0.6 mmHg at 25°C
Index of Refraction	1.636

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XS9700000

CHEMICAL NAME :: Toluene-2,5-diamine

CAS REGISTRY NUMBER :: 95-70-5

BEILSTEIN REFERENCE NO. :: 0774521

LAST UPDATED :: 199710

DATA ITEMS CITED :: 18

MOLECULAR FORMULA :: C7-H10-N2

MOLECULAR WEIGHT :: 122.19

WISWESSER LINE NOTATION :: ZR DZ B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 102 mg/kg

TOXIC EFFECTS :: Behavioral - somnolence (general depressed activity) Behavioral - ataxia Skin and Appendages - hair

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Subcutaneous

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 625 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 - rabbit

DOSE/DURATION :: 222 mg/kg

TOXIC EFFECTS :: Gastrointestinal - other changes

TYPE OF TEST :: LDLo - Lowest published lethal dose

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Mammal - species unspecified

DOSE/DURATION :: 3600 mg/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 - mouse

DOSE/DURATION :: 1400 mg/kg/14D-I

TOXIC EFFECTS :: Liver - changes in liver weight Immunological Including Allergic - decrease in humoral immune response Biochemical - Enzyme inhibition, induction, or change in blood or tissue levels - transaminases

MUTATION DATA

TYPE OF TEST :: Unscheduled DNA synthesis

TEST SYSTEM :: Rodent - hamster Liver

DOSE/DURATION :: 10 umol/L

REFERENCE :: MUREAV Mutation Research. (Elsevier Science Pub. B.V., POB 211, 1000 AE Amsterdam, Netherlands) V.1- 1964- Volume(issue)/page/year: 136,255,1984 *** REVIEWS *** IARC Cancer Review:Animal Inadequate Evidence IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 16,97,1978 IARC Cancer Review:Human No Adequate Data IMEMDT IARC Monographs on the Evaluation of Carcinogenic Risk of Chemicals to Man. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) V.1- 1972- Volume(issue)/page/year: 16,97,1978 IARC Cancer Review:Group 3 IMSUDL IARC Monographs, Supplement. (WHO Publications Centre USA, 49 Sheridan Ave., Albany, NY 12210) No.1- 1979- Volume(issue)/page/year: 7,56,1987

Hazard Codes	T: Toxic;N: Dangerous for the environment;
Risk Phrases	R20/21
Safety Phrases	S24-S37-S45-S61
RIDADR	2811
Packaging Group	III
Hazard Class	6.1(b)
HS Code	2921519090

Precursor 9
97-56-3 611-05-2 61594-49-8 99-52-5
121-14-2 618-85-9 606-20-2 602-01-7
610-39-9
DownStream 10
6375-20-8 56891-59-9 477-73-6 19039-27-1
3029-60-5 553-97-9 91-08-7 14219-05-7
584-84-9 614-90-4

HS Code	2921519090
Summary	2921519090. o-, m-, p-phenylenediamine, diaminotoluenes, and their derivatives; salts thereof. VAT:17.0%. Tax rebate rate:17.0%. . MFN tariff:6.5%. General tariff:30.0%

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