Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 1,2-benzothiazole-3-carboxylic acid
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Purity: 98.0%
Stocking Period: 10 Day
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40991-34-2

40991-34-2 structure

40991-34-2 structure

Name: 1,2-benzothiazole-3-carboxylic acid
Chemical Name: 1,2-benzothiazole-3-carboxylic acid
CAS Number: 40991-34-2
Molecular Formula: C₈H₅NO₂S
Molecular Weight: 179.19600
Create Date: 2018-05-25 08:00:00
Modify Date: 2025-08-25 17:00:28

Name	1,2-benzothiazole-3-carboxylic acid
Synonyms	acido 1,2-benzisotiazol-3-ilcarbossilico benzisothiazole-3-carboxylic acid 1,2-benzoisothiazole-3-carboxylic acid Acido 3-benzisotiazolcarbossilic 1,2-Benzisothiazole-3-carboxylic acid

Density	1.508g/cm3
Boiling Point	279.7ºC at 760 mmHg
Molecular Formula	C₈H₅NO₂S
Molecular Weight	179.19600
Flash Point	122.9ºC
Exact Mass	179.00400
PSA	78.43000
LogP	1.99450
Index of Refraction	1.731

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DE4160900

CHEMICAL NAME :: 1,2-Benzisothiazole-3-carboxylic acid

CAS REGISTRY NUMBER :: 40991-34-2

BEILSTEIN REFERENCE NO. :: 0136252

LAST UPDATED :: 199612

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H5-N-O2-S

MOLECULAR WEIGHT :: 179.20

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 670 mg/kg

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

REFERENCE :: FRPSAX Farmaco, Edizione Scientifica. (Casella Postale 227, 27100 Pavia, Italy) V.8-43 1953-88 For publisher information, see FRMCE8 Volume(issue)/page/year: 29,109,1974

HS Code	2934999090

16807-21-9 structure

16807-21-9

~97%

40991-34-2 structure

40991-34-2

Literature: Intellectual Property Department BASF Aktiengesellschaft Patent: US2002/28748 A1, 2002 ;

108-98-5 structure

108-98-5

~%

40991-34-2 structure

40991-34-2

Literature: Intellectual Property Department BASF Aktiengesellschaft Patent: US2002/28748 A1, 2002 ;

493-57-2 structure

493-57-2

~%

40991-34-2 structure

40991-34-2

Literature: Intellectual Property Department BASF Aktiengesellschaft Patent: US2002/28748 A1, 2002 ;

Precursor 3
16807-21-9 108-98-5 493-57-2
DownStream 1
677304-78-8

HS Code	2934999090
Summary	2934999090. other heterocyclic compounds. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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