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Dayang Chem (Hangzhou) Co., Ltd.
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Product Name: 5-Sulfoisophthalic acid
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22326-31-4

22326-31-4 structure

22326-31-4 structure

Name: 5-Sulfoisophthalic acid
Chemical Name: 5-sulfobenzene-1,3-dicarboxylic acid
CAS Number: 22326-31-4
Molecular Formula: C₈H₆O₇S
Molecular Weight: 246.194
Create Date: 2018-03-15 08:00:00
Modify Date: 2026-06-30 19:58:50

Name	5-sulfobenzene-1,3-dicarboxylic acid
Synonyms	1,3-Benzenedicarboxylic acid,5-sulfo 5-Sulphoisophthalic acid 5-SULPHOISOPHTHALIC ACID m-Phthalic-5-sulfonic acid 5-Sulfo-1,3-benzenedicboxylicacid 5-sulfo-isophthalicaci 5-Sulfaisophalic acid (5-SIPA) 5-SIPA kyselina3,5-dikboxybenzensulfonova 5-Sulfo-1,3-benzenedicarboxylic acid 1,3-Benzenedicboxylic acid, 5-sulfo 5-sulfo-3-benzenedicboxylicacid 5-SULFOISOPHTHALIC ACID (SIPA) 3-Benzenedicboxylicacid,5-sulfo-1 5-sulfobenzene-1,3-dicboxylic acid 5- sulfonyl terhthalic acid EINECS 244-912-9 1,3-Isophthalic acid-5-sulfonic acid 3,5-dicarboxybenzenesulfonic acid 5-Sulfoisophthalicacid Isophthalic acid, 5-sulfo- (6ci,7ci,8ci) 5-sulfobenzene-1,3-dicboxylicaci Benzene-1,3-dicboxylic acid, 5-sulfo 5-SULFAISOPHALIC ACID (5-SIPA) 5-sulfo-benzene-3-dicboxylicacid 5-sulfo-1,3-benzenedicarboxylate Einecs -9 MFCD00066788 Brn 5-SULFOISOPHTHALIC ACID

Density	1.8±0.1 g/cm3
Melting Point	249-253 °C
Molecular Formula	C₈H₆O₇S
Molecular Weight	246.194
Exact Mass	245.983429
PSA	137.35000
LogP	0.71
Index of Refraction	1.643

CHEMICAL IDENTIFICATION

RTECS NUMBER :: CZ4375000

CHEMICAL NAME :: Benzene-1,3-dicarboxylic acid, 5-sulfo-

CAS REGISTRY NUMBER :: 22326-31-4

BEILSTEIN REFERENCE NO. :: 2742173

LAST UPDATED :: 199701

DATA ITEMS CITED :: 4

MOLECULAR FORMULA :: C8-H6-O7-S

MOLECULAR WEIGHT :: 246.20

WISWESSER LINE NOTATION :: WSQR CVQ EVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration onto the skin

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1056,1986

TYPE OF TEST :: Standard Draize test

ROUTE OF EXPOSURE :: Administration into the eye

SPECIES OBSERVED :: Rodent - rabbit

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1056,1986 ** ACUTE TOXICITY DATA **

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

ROUTE OF EXPOSURE :: Oral

SPECIES OBSERVED :: Rodent - rat

DOSE/DURATION :: 2600 mg/kg

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

REFERENCE :: 85JCAE "Prehled Prumyslove Toxikologie; Organicke Latky," Marhold, J., Prague, Czechoslovakia, Avicenum, 1986 Volume(issue)/page/year: -,1056,1986

Hazard Codes	C: Corrosive;
HS Code	2917399090

121-91-5 structure

121-91-5

~%

22326-31-4 structure

22326-31-4

Literature: Chemische Berichte, , vol. 13, p. 493

121-91-5 structure

121-91-5

~5%

22326-31-4 structure

22326-31-4

134178-04-4 structure

134178-04-4

Literature: Phosphorus, Sulfur and Silicon and the Related Elements, , vol. 73, # 1-4 p. 5 - 14

148065-78-5 structure

148065-78-5

~43%

22326-31-4 structure

22326-31-4

Literature: Evans, Brian J.; Doi, Joyce Takahashi; Musker, W. Kenneth Phosphorus, Sulfur and Silicon and the Related Elements, 1992 , vol. 73, # 1-4 p. 5 - 14

HS Code	2917399090
Summary	2917399090 aromatic polycarboxylic acids, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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