Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4,6-Dihydroxynicotinic acid
Price: Check
Purity: 96.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4,6-Dihydroxynicotinic acid
Price: ￥1138.0/1g
Purity: 95.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3-Pyridinecarboxylicacid, 1,6-dihydro-4-hydroxy-6-oxo-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

5466-62-6

5466-62-6 structure

5466-62-6 structure

Name: 4,6-Dihydroxynicotinic acid
Chemical Name: 4-Hydroxy-6-oxo-1,6-dihydropyridine-3-carboxylic acid
CAS Number: 5466-62-6
Molecular Formula: C₆H₅NO₄
Molecular Weight: 155.10800
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
Create Date: 2018-02-09 08:00:00
Modify Date: 2025-08-26 16:38:05

Name	4-Hydroxy-6-oxo-1,6-dihydropyridine-3-carboxylic acid
Synonyms	4,6-Dihydroxynicotinic acid

Density	1.708g/cm3
Boiling Point	374.6ºC at 760mmHg
Melting Point	309-311ºC
Molecular Formula	C₆H₅NO₄
Molecular Weight	155.10800
Flash Point	180.4ºC
Exact Mass	155.02200
PSA	90.65000
LogP	0.19100
Index of Refraction	1.677

CHEMICAL IDENTIFICATION

RTECS NUMBER :: QT1525000

CHEMICAL NAME :: Nicotinic acid, 4,6-dihydroxy-

CAS REGISTRY NUMBER :: 5466-62-6

BEILSTEIN REFERENCE NO. :: 0137085

LAST UPDATED :: 199712

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C6-H5-N-O4

MOLECULAR WEIGHT :: 155.12

WISWESSER LINE NOTATION :: T6NJ BQ DQ EVQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 320 mg/kg

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

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#03055

HS Code	2933399090

6975-44-6 structure

6975-44-6

~%

5466-62-6 structure

5466-62-6

Literature: Gazzetta Chimica Italiana, , vol. 28 I, p. 489 Chemische Berichte, , vol. 31, p. 1686

Precursor 1
6975-44-6
DownStream 6
24501-21-1 89282-12-2 70593-57-6 52559-11-2
5975-12-2 166526-03-0

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%

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