Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Hydroxypyridine-3-sulfonic acid
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang

Henan Tianfu Chemical Co., Ltd.
China
Product Name: 4-Hydroxypyridine-3-sulfonic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson

51498-37-4

51498-37-4 structure

51498-37-4 structure

Name: 4-Hydroxypyridine-3-sulfonic acid
Chemical Name: 4-Hydroxypyridine-3-sulfonic acid
CAS Number: 51498-37-4
Molecular Formula: C₅H₅NO₄S
Molecular Weight: 175.163
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Hydroxypyridine
Create Date: 2018-09-16 11:41:28
Modify Date: 2024-01-02 19:40:41

Name	4-Hydroxypyridine-3-sulfonic acid
Synonyms	4-hydroxypyridine-3-sulfonic acid 4-Hydroxypyridine-3-sulfonicAcid EINECS 257-243-2 4-HYDROXYPYRIDIE-SULPHONIC ACID 4-hydroxypyridine-3-sulfonyl acid 4-Hydroxypyridine-3-sulphonic 4-Hydroxypyridie-3-sulphonic acid hydroxypyridinesulfonicacid 4-Hydroxy-3-pyridinesulfonic 4(1H)-pyridone-3-sulfonic acid 4-Hydroxy-3-pyridinesulfonic acid 4-hydroxypyridin-3-sulfonic acid 4-Pyridinol-3-sulfonic Acid 4-hydroxypyridine-3-sulphonic acid MFCD02093473 4-Hydroxypyridine-sulphonic acid 4-Hydroxy-pyridin-3-sulfonsaeure 3-Pyridinesulfonic acid, 4-hydroxy-

Density	1.7±0.1 g/cm3
Melting Point	>300°C
Molecular Formula	C₅H₅NO₄S
Molecular Weight	175.163
Exact Mass	174.993927
PSA	95.87000
LogP	-1.75
Index of Refraction	1.619

Hazard Codes	C
Risk Phrases	R34
Safety Phrases	S26-S36/37/39-S45
RIDADR	3261
Packaging Group	III
Hazard Class	8
HS Code	2933399090

Precursor 0
DownStream 4
33263-44-4 33263-43-3 56211-40-6 75903-62-7

HS Code	2933399090
Summary	2933399090. other compounds containing an unfused pyridine ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%