Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-Methyl-3-(4-methylphenyl)triaz-1-ene
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 1-Triazene,1-methyl-3-(4-methylphenyl)-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

21124-13-0

21124-13-0 structure

21124-13-0 structure

Name: 1-Methyl-3-(4-methylphenyl)triaz-1-ene
Chemical Name: 4-methyl-N-(methyldiazenyl)aniline
CAS Number: 21124-13-0
Molecular Formula: C₈H₁₁N₃
Molecular Weight: 149.193
Create Date: 2018-03-01 08:00:00
Modify Date: 2025-08-20 23:43:16

Name	4-methyl-N-(methyldiazenyl)aniline
Synonyms	1-p-Tolyl-3-methyltriazene Methyl-4-tolyltriazene MFCD00008282 1-triazene, 1-methyl-3-(4-methylphenyl)- 1-Methyl-3-p-tolyltriazene Methyl-p-tolyltriazene N-Methyl-N'-p-tolyl-triazen 1-Methyl-3-(4-methylphenyl)triaz-1-ene EINECS 244-223-3 (1E)-1-Methyl-3-(4-methylphenyl)-1-triazene (1E)-1-Methyl-3-(4-methylphenyl)triaz-1-ene 1-Triazene, 1-methyl-3-(4-methylphenyl)-, (1E)- 3-Methyl-1-p-tolyltriazen

Density	1.0±0.1 g/cm3
Boiling Point	215.5±33.0 °C at 760 mmHg
Melting Point	75-80ºC(lit.)
Molecular Formula	C₈H₁₁N₃
Molecular Weight	149.193
Flash Point	84.1±25.4 °C
Exact Mass	149.095291
PSA	36.75000
LogP	2.68
Vapour Pressure	0.1±0.4 mmHg at 25°C
Index of Refraction	1.542

CHEMICAL IDENTIFICATION

RTECS NUMBER :: XY2785500

CHEMICAL NAME :: Triazene, 3-methyl-1-(p-tolyl)-

CAS REGISTRY NUMBER :: 21124-13-0

LAST UPDATED :: 199701

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C8-H11-N3

MOLECULAR WEIGHT :: 149.22

WISWESSER LINE NOTATION :: 1MNUNR D1

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 :: 380900 ug/kg

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

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 500 umol/L

REFERENCE :: CNREA8 Cancer Research. (Public Ledger Building, Suit 816, 6th & Chestnut Sts., Philadelphia, PA 19106) V.1- 1941- Volume(issue)/page/year: 42,1446,1982

Symbol	GHS07, GHS08
Signal Word	Warning
Hazard Statements	H302 + H312 + H332-H351
Precautionary Statements	P280
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Faceshields;Gloves
Hazard Codes	Xn: Harmful;
Risk Phrases	20/21/22-40
Safety Phrases	S26;S28;S45;S36/S37/S39
RIDADR	UN 1325
WGK Germany	3
RTECS	XY2785500
Packaging Group	III
Hazard Class	4.1
HS Code	2928000090

HS Code	2928000090
Summary	2928000090 other organic derivatives of hydrazine or of hydroxylamine VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0%

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