Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1-Methylbenzotriazole
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

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

13351-73-0

13351-73-0 structure

13351-73-0 structure

Name: 1-Methylbenzotriazole
Chemical Name: 1-methylbenzotriazole
CAS Number: 13351-73-0
Molecular Formula: C₇H₇N₃
Molecular Weight: 133.151
Create Date: 2018-09-03 13:57:30
Modify Date: 2025-08-25 15:39:54

Name	1-methylbenzotriazole
Synonyms	1-methyl-benzotriazole MFCD00014572 benzotriazole acid methyl ester 1-Methyl-1H-benzotriazole 1-Methylbenzotriazole 1H-Benzotriazole,1-methyl EINECS 236-401-4 1H-1,2,3-Benzotriazole, 1-methyl- 1-Methyl-1H-benzo[d][1,2,3]triazole N-1-methyl-benzotriazole 1-Methyl-1,2,3-benzotriazole methyl benzotriazole Methyl-1H-benzotriazole 1H-Benzotriazole, 1-methyl 1-Methyl-1H-1,2,3-benzotriazole

Density	1.2±0.1 g/cm3
Boiling Point	270.5±9.0 °C at 760 mmHg
Melting Point	64-65°C
Molecular Formula	C₇H₇N₃
Molecular Weight	133.151
Flash Point	117.4±18.7 °C
Exact Mass	133.063995
PSA	30.71000
LogP	1.06
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.659

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DM1330000

CHEMICAL NAME :: 1H-Benzotriazole, 1-methyl-

CAS REGISTRY NUMBER :: 13351-73-0

BEILSTEIN REFERENCE NO. :: 0118900

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H7-N3

MOLECULAR WEIGHT :: 133.17

WISWESSER LINE NOTATION :: T56 BNNNJ B1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 375 mg/kg

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

REFERENCE :: JPETAB Journal of Pharmacology and Experimental Therapeutics. (Williams & Wilkins Co., 428 E. Preston St., Baltimore, MD 21202) V.1- 1909/10- Volume(issue)/page/year: 105,486,1952

Safety Phrases	S22-S24/25
RTECS	DM1330000
HS Code	2933990090

Precursor 9
95-14-7 74-88-4 553-90-2 37922-13-7
54187-96-1 28539-02-8 127236-78-6 6921-34-2
77-78-1
DownStream 6
4144-64-3 4760-34-3 91-78-1 100-61-8
16584-05-7 38182-45-5

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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