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

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2,3-Dihydroxypyridine
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: 2,3-Dihydroxypyridine
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

Zhongshan Xingrui Chemical Co. , Ltd.
China
Product Name: hydroxypyridone
Price: ￥Inquiry/25kg
Purity: 99.0%
Stocking Period: Inquiry
Contact: Wang Jie
Email: 3096638339@qq.com

16867-04-2

16867-04-2 structure

16867-04-2 structure

Name: hydroxypyridone
Chemical Name: 2,3-Dihydroxypyridine
CAS Number: 16867-04-2
Molecular Formula: C₅H₅NO₂
Molecular Weight: 111.099
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Hydroxypyridine
Create Date: 2018-09-25 20:00:14
Modify Date: 2026-07-04 00:51:02

Name	2,3-Dihydroxypyridine
Synonyms	3-Dihydroxypyridine 3-Hydroxy-2(1H)-pyridone 2,3-hydroxypyridine 2,3-Dihydroxypyridine> 2,3-PYRIDINEDIOL 2(1H)-Pyridone, 3-hydroxy hydroxypyridinone 3-hydroxypyridin-2(1H)-one 3-Hydroxy-2(1H)-pyridinon Pyridin-2,3-diol 2,3-Dihydroxypyridine,2,3-Pyridinediol 2,3-DIHYDROXYPYRIDINE PYRIDINE-2,3-DIOL 3-hydroxy-2(1h)-pyridon TIMTEC-BB SBB004333 pyridine-2,3-diol 3-hydroxy-2(1H)-pyridinone 2,3-DIHYDROXYPYRIMIDINE 3-Hydroxypyridin-2(1H)-one 3-Hydroxy-1H-pyridin-2-one 2(1H)-Pyridinone, 3-hydroxy 2,3-Dihydroxypyridine ISO 9001：2015 REACH 2,3-dihydroxy pyridine 3-Hydroxypyridin-2(1H)-one (B760) min EINECS 240-887-3 3-hydroxy-2(1h)-pyridinon 2-Hydroxy-3-pyridinol 3-Hydroxy-2-pyridone 2,3-Pyridinediol MFCD00006271 dihydroxypyridine

Density	1.4±0.1 g/cm3
Boiling Point	441.4±25.0 °C at 760 mmHg
Melting Point	245 °C (dec.)(lit.)
Molecular Formula	C₅H₅NO₂
Molecular Weight	111.099
Flash Point	220.8±23.2 °C
Exact Mass	111.032028
PSA	53.35000
LogP	-0.60
Vapour Pressure	0.0±1.1 mmHg at 25°C
Index of Refraction	1.625

CHEMICAL IDENTIFICATION

RTECS NUMBER :: UV1146700

CHEMICAL NAME :: 2(1H)-Pyridone, 3-hydroxy-

CAS REGISTRY NUMBER :: 16867-04-2

LAST UPDATED :: 199701

DATA ITEMS CITED :: 2

MOLECULAR FORMULA :: C5-H5-N-O2

MOLECULAR WEIGHT :: 111.11

WISWESSER LINE NOTATION :: T6NJ BQ CQ

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

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

ROUTE OF EXPOSURE :: Intraperitoneal

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 879 mg/kg

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

REFERENCE :: TOXIA6 Toxicon. (Pergamon Press Ltd., Headington Hill Hall, Oxford OX3 OBW, UK) V.1- 1962- Volume(issue)/page/year: 23,815,1985

Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36-S37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
RTECS	UV1146700
HS Code	29333999

Precursor 10
98-01-1 613-75-2 109-00-2 63756-60-5
142-08-5 89694-54-2 63430-18-2 13472-83-8
39658-49-6 71847-96-6
DownStream 10
111492-69-4 33630-99-8 24016-11-3 75710-99-5
316354-21-9 30932-82-2 129421-32-5 20928-63-6
19365-01-6 19365-08-3

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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