Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2-metcapto-5-chloro-benzothiazole
Price: Check
Purity: 96.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-metcapto-5-chloro-benzothiazole
Price: ￥518.0/5g ￥1578.0/25g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

5331-91-9

5331-91-9 structure

5331-91-9 structure

Name: 2-metcapto-5-chloro-benzothiazole
Chemical Name: 5-Chloro-2-mercaptobenzothiazole
CAS Number: 5331-91-9
Molecular Formula: C₇H₄ClNS₂
Molecular Weight: 201.696
Catalog: analytical chemistry Standard Spectrometric standard
Create Date: 2018-07-22 12:14:37
Modify Date: 2025-08-25 10:29:16

Name	5-Chloro-2-mercaptobenzothiazole
Synonyms	MFCD00005783 5-Chlorobenzo[d]thiazole-2-thiol 5-Chlorobenzo[d]thiazole-2(3H)-thione 2-metcapto-5-chloro-benzothiazole 2(3H)-Benzothiazolethione, 5-chloro- 5-Chloro-1,3-benzothiazole-2(3H)-thione 5-Chloro-2-benzothiazolethiol,CMBT 5-chloro-3H-1,3-benzothiazole-2-thione EINECS 226-235-0

Density	1.6±0.1 g/cm3
Boiling Point	333.2±44.0 °C at 760 mmHg
Melting Point	198-200 °C(lit.)
Molecular Formula	C₇H₄ClNS₂
Molecular Weight	201.696
Flash Point	155.3±28.4 °C
Exact Mass	200.947372
PSA	79.93000
LogP	3.41
Vapour Pressure	0.0±0.7 mmHg at 25°C
Index of Refraction	1.786

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DL6490000

CHEMICAL NAME :: 2-Benzothiazolethiol, 5-chloro-

CAS REGISTRY NUMBER :: 5331-91-9

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H4-Cl-N-S2

MOLECULAR WEIGHT :: 201.69

WISWESSER LINE NOTATION :: T56 BN DSJ CSH HG

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 100 mg/kg

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

REFERENCE :: NTIS** National Technical Information Service. (Springfield, VA 22161) Formerly U.S. Clearinghouse for Scientific & Technical Information. Volume(issue)/page/year: AD295-864

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Hazard Codes	Xi
Risk Phrases	36/37/38
Safety Phrases	S26-S37
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	DL6490000
HS Code	2934999090

95-82-9 structure

95-82-9

~94%

5331-91-9 structure

5331-91-9

Literature: Hoechst A.G. Patent: US4431813 A1, 1984 ;

95-82-9 structure

95-82-9

140-89-6 structure

140-89-6

~94%

5331-91-9 structure

5331-91-9

Literature: Huang, Wei; Tan, Ying; Ding, Ming-Wu; Yang, Guang-Fu Synthetic Communications, 2007 , vol. 37, # 3 p. 369 - 376

75-15-0 structure

75-15-0

1004-00-8 structure

1004-00-8

~75%

5331-91-9 structure

5331-91-9

Literature: Stella, Alessandro; Segers, Kenneth; De Jonghe, Steven; Vanderhoydonck, Bart; Rozenski, Jef; Anne, Jozef; Herdewijn, Piet Chemistry and Biodiversity, 2011 , vol. 8, # 2 p. 253 - 265

Precursor 4
95-82-9 140-89-6 75-15-0 1004-00-8
DownStream 10
3507-41-3 20174-72-5 2786-51-8 20600-44-6
2941-48-2 74537-45-4 85750-08-9 90660-75-6
92064-61-4 110672-07-6

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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