Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3,4-Diamino-2-hydroxypyridine
Price: Check
Purity: 97.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3,4-Diamino-2-hydroxypyridine
Price: ￥1906.0/250mg ￥4766.0/1g ￥1186.0/100mg
Purity: 95.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 3,4-Diamino-2-hydroxypyridine
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

Shanghai Amole Biotechnology Co., Ltd.
China
Product Name: 3,4-Diamino-2-hydroxypyridine
Price: ￥Inquiry/100mg ￥Inquiry/1g ￥Inquiry/250mg
Purity: 95.0%
Stocking Period: Inquiry
Contact: Xiyao Wang
Email: 3623107365@qq.com

33631-02-6

33631-02-6 structure

33631-02-6 structure

Name: 3,4-Diamino-2-hydroxypyridine
Chemical Name: 3,4-Diamino-2-hydroxypyridine
CAS Number: 33631-02-6
Molecular Formula: C₅H₇N₃O
Molecular Weight: 125.12900
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Hydroxypyridine
Create Date: 2018-04-03 08:00:00
Modify Date: 2025-09-10 09:30:33

Name	3,4-Diamino-2-hydroxypyridine
Synonyms	3,4-DIAMINOPYRIDIN-2-OL 4-diaMino 3,4-Diamino-2-hydroxypyridin 3,4-Diamino-1H-pyridin-2-one 3,4-Diamino-2-pyridinol

Density	1.46g/cm3
Boiling Point	545.7ºC at 760mmHg
Molecular Formula	C₅H₇N₃O
Molecular Weight	125.12900
Flash Point	283.8ºC
Exact Mass	125.05900
PSA	85.16000
LogP	1.11400
Index of Refraction	1.493

Hazard Codes	Xi: Irritant;
HS Code	2933399090

88511-57-3 structure

88511-57-3

~83%

33631-02-6 structure

33631-02-6

Literature: Boehringer Ingelheim Pharma GmbH Co. KG Patent: US2005/20574 A1, 2005 ; Location in patent: Page/Page column 16 ;

1681-37-4 structure

1681-37-4

~%

33631-02-6 structure

33631-02-6

Literature: Recueil des Travaux Chimiques des Pays-Bas, , vol. 68, p. 1013,1024

3243-24-1 structure

3243-24-1

~%

33631-02-6 structure

33631-02-6

2770-01-6 structure

2770-01-6

Literature: Recueil des Travaux Chimiques des Pays-Bas, , vol. 68, p. 1013,1024

Precursor 3
88511-57-3 1681-37-4 3243-24-1
DownStream 3
3243-24-1 272-97-9 2770-01-6

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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