CAS No.2736-23-4,2,4-Dichloro-5-sulfamoylbenzoic acid Suppliers

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Basic Information

Molecular Structure:
CAS No.:	2736-23-4
Name:	2,4-Dichloro-5-sulfamoylbenzoic acid

Formula:	C₇H₅Cl₂NO₄S
Molecular Weight:	270.093
Synonyms:	Benzoicacid, 2,4-dichloro-5-sulfamoyl- (7CI,8CI);2,4-Dichloro-5-sulfamoylbenzoicacid;3-Sulfamoyl-4,6-dichlorobenzoic acid;5-Aminosulfonyl-2,4-dichlorobenzoicacid;5-Carboxy-2,4-dichlorobenzenesulfonamide;
EINECS:	220-358-3
Density:	1.744 g/cm³
Melting Point:	230-232 °C (dec.)(lit.)
Boiling Point:	503.8 °C at 760 mmHg
Flash Point:	258.5 °C
Solubility:	insoluble in water
Appearance:	white to off-white crystalline powder
Hazard Symbols:	Xi
Risk Codes:	36/37/38
Safety:	26-37/39
PSA:	105.84000
LogP:	3.12010

Raw Materials

3740-18-9

50-84-0

Downstream Products

3861-99-2

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Chemistry

Product Name: 2,4-Dichloro-5-sulfamoylbenzoic acid (CAS NO.2736-23-4)

Molecular Formula: C₇H₅Cl₂NO₄S
Molecular Weight: 270.089900 g/mol
Appearance:Crystallization in ethanol solution
Melting Point: 230-232 °C (dec.)(lit.)
Insolubility: Water
Density: 1.744 g/cm³
Flash Point: 258.5 °C
Boiling Point: 503.8 °C at 760 mmHg
Index of Refraction: 1.63
Molar Refractivity: 55.12 cm³
Molar Volume: 154.8 cm³
Surface Tension: 69.9 dyne/cm
Enthalpy of Vaporization: 81.41 kJ/mol
Vapour Pressure: 5.7E-11 mmHg at 25°C
XLogP3-AA: 1.3
H-Bond Donor: 2
H-Bond Acceptor: 5
Structure Descriptors of 2,4-Dichloro-5-sulfamoylbenzoic acid (CAS NO.2736-23-4):
IUPAC Name: 2,4-dichloro-5-sulfamoylbenzoic acid
Canonical SMILES: C1=C(C(=CC(=C1S(=O)(=O)N)Cl)Cl)C(=O)O
InChI: InChI=1S/C7H5Cl2NO4S/c8-4-2-5(9)6(15(10,13)14)1-3(4)7(11)12/h1-2H,(H,11,
12)(H2,10,13,14)
InChIKey: ZSHHRBYVHTVRFK-UHFFFAOYSA-N
Categories: BenzoicAcidDerivative; Organic acids; Organic Building Blocks; Sulfonamides/Sulfinamides; Sulfur Compounds

Uses

2,4-Dichloro-5-sulfamoylbenzoic acid (CAS NO.2736-23-4) is used as pharmaceutical intermediate for the synthesis of Furosemide microphones, furosemide and other drugs.

Toxicity Data With Reference

1.	eye-rbt 100 mg SEV	FCTOD7 Food and Chemical Toxicology. 20 (1982),573.
2.	eye-rbt 100 mg/4S RNS MLD	FCTOD7 Food and Chemical Toxicology. 20 (1982),573.
3.	ipr-mus LD50:15 g/kg	PCJOAU Pharmaceutical Chemistry Journal (English Translation). Translation of KHFZAN. 19 (1985),697.

Safety Profile

Safety Information of 2,4-Dichloro-5-sulfamoylbenzoic acid (CAS NO.2736-23-4):
Hazard Codes:Xi
Risk Statements:36/37/38
36/37/38:Irritating to eyes, respiratory system and skin
Safety Statements:26-37/39
26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
37/39:Wear suitable gloves and eye/face protection
WGK Germany:3
RTECS:DG8100000
Slightly toxic by intraperitoneal route. A severe eye irritant. When heated to decomposition it emits toxic fumes of NO_x, SO_x, and Cl⁻.

Specification

2,4-Dichloro-5-sulfamoylbenzoic acid , its CAS NO. is 2736-23-4, the synonyms are 3-Sulfamoyl-4,6-dichlorobenzoic acid ; 5-Aminosulfonyl-2,4-dichlorobenzoic acid ; 5-Carboxy-2,4-dichlorobenzenesulfonamide ; Lasamide ; Benzoic acid, 2,4-dichloro-5-sulfamoyl- ; Benzoic acid, 5-(aminosulfonyl)-2,4-dichloro- .