Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 2,4-Dichloro-5-sulfamoylbenzoic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2,4-Dichloro-5-sulfamoylbenzoic acid
Price: ￥438.0/250g ￥148.0/50g ￥2258.0/1kg
Purity: 98.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

DC Chemicals Limited
China
Product Name: M 12325
Price: $Inquiry/100mg $Inquiry/250mg $Inquiry/500mg
Purity: 98.0%
Stocking Period: 3 Day
Contact: Tony Cao
Email: sales@dcchemicals.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,4-Dichloro-5-sulfamoylbenzoic acid
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: 2,4-Dichloro-5-sulfamoylbenzoic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

2736-23-4

2736-23-4 structure

2736-23-4 structure

Name: 2,4-Dichloro-5-sulfamoylbenzoic acid
Chemical Name: 2,4-Dichloro-5-sulfamoylbenzoic acid
CAS Number: 2736-23-4
Molecular Formula: C₇H₅Cl₂NO₄S
Molecular Weight: 270.090
Catalog: Organic raw materials Amino compound Amide compound
Create Date: 2018-06-13 09:34:50
Modify Date: 2025-08-25 12:55:59

Name	2,4-Dichloro-5-sulfamoylbenzoic acid
Synonyms	Benzoic acid,5-(aminosulfonyl)-2,4-dichloro Benzoic acid, 5-(aminosulfonyl)-2,4-dichloro- MFCD00007931 EINECS 220-358-3 5-(Aminosulfonyl)-2,4-dichlorobenzoic Acid 2,4-Dichloro-5-sulphamoylbenzoic acid 2,4-dichloro-5-sulfamoyl-benzoic acid 3-Sulfamoyl-4,6-dichlorobenzoic acid 2,4,5-TRICHLORO-N-(2-PHENOXYPROPYL)ANILINE 2,4-Dichloro-5-sulfamoylbenzoic acid Lasamide 2,4-Dichloro-5-sulfamylbenzoic acid

Density	1.7±0.1 g/cm3
Boiling Point	503.8±60.0 °C at 760 mmHg
Melting Point	230-232 °C (dec.)(lit.)
Molecular Formula	C₇H₅Cl₂NO₄S
Molecular Weight	270.090
Flash Point	258.5±32.9 °C
Exact Mass	268.931641
PSA	105.84000
LogP	0.99
Vapour Pressure	0.0±1.4 mmHg at 25°C
Index of Refraction	1.631
Storage condition	2-8°C
Water Solubility	insoluble

CHEMICAL IDENTIFICATION

RTECS NUMBER :: DG8100000

CHEMICAL NAME :: Benzoic acid, 2,4-dichloro-5-sulfamoyl-

CAS REGISTRY NUMBER :: 2736-23-4

LAST UPDATED :: 199612

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C7-H5-Cl2-N-O4-S

MOLECULAR WEIGHT :: 270.09

WISWESSER LINE NOTATION :: ZSWR BG DG EVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 20,573,1982

TYPE OF TEST :: Rinsed with water

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: FCTOD7 Food and Chemical Toxicology. (Pergamon Press Inc., Maxwell House, Fairview Park, Elmsford, NY 10523) V.20- 1982- Volume(issue)/page/year: 20,573,1982 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 15 gm/kg

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

REFERENCE :: PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. (Plenum Pub. Corp., 233 Spring St., New York, NY 10013) No.1- 1967- Volume(issue)/page/year: 19,697,1985

Hazard Codes	Xi:Irritant
Risk Phrases	R36/37/38
Safety Phrases	S26-S37/39
WGK Germany	3
RTECS	DG8100000
HS Code	2935009090

3740-18-9 structure

3740-18-9

~%

2736-23-4 structure

2736-23-4

Literature: Loev,B. et al. Journal of Medicinal Chemistry, 1974 , vol. 17, p. 956 - 965

50-84-0 structure

50-84-0

~%

2736-23-4 structure

2736-23-4

Literature: Loev,B. et al. Journal of Medicinal Chemistry, 1974 , vol. 17, p. 956 - 965

Precursor 2
3740-18-9 50-84-0
DownStream 4
3861-99-2 3740-16-7 4793-25-3 54109-03-4

HS Code	2935009090
Summary	2935009090 other sulphonamides VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:35.0%

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