Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 3-Nitropyridin-4-amin
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 3-Nitropyridin-4-amin
Price: ￥298.0/25g ￥198.0/5g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

1681-37-4

1681-37-4 structure

1681-37-4 structure

Name: 3-Nitropyridin-4-amin
Chemical Name: 4-Amino-3-nitropyridine
CAS Number: 1681-37-4
Molecular Formula: C₅H₅N₃O₂
Molecular Weight: 139.112
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Nitropyridine
Create Date: 2018-03-16 08:00:00
Modify Date: 2025-08-24 11:52:16

Name	4-Amino-3-nitropyridine
Synonyms	3-Nitropyridin-4-amin 3-NITRO-PYRIDIN-4-YLAMINE 3-Nitro-4-pyridinamine 4-Amino-3-nitropyridine 4-AMino-3-nitropyridine 1GR 4-Pyridinamine, 3-nitro- 3-nitro-4-aminopyridine MFCD00160304 3-nitropyridin-4-amine

Density	1.4±0.1 g/cm3
Boiling Point	350.4±22.0 °C at 760 mmHg
Melting Point	203-207 °C(lit.)
Molecular Formula	C₅H₅N₃O₂
Molecular Weight	139.112
Flash Point	165.7±22.3 °C
Exact Mass	139.038177
PSA	84.73000
LogP	1.26
Vapour Pressure	0.0±0.8 mmHg at 25°C
Index of Refraction	1.646

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H302-H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xn:Harmful;
Risk Phrases	R20/21/22;R36/37/38
Safety Phrases	S26-S36-S36/37/39
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2933399090

Precursor 9
13091-23-1 1336-21-6 94602-04-7 1796-84-5
504-24-5 79371-42-9 26482-55-3 5221-42-1
626-64-2
DownStream 10
5435-54-1 3243-24-1 33631-02-6 33631-04-8
33544-42-2 39217-08-8 272-97-9 79371-42-9
89182-17-2 89284-05-9

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%

The content on this webpage is sourced from various professional data sources. If you have any questions or concerns regarding the content, please feel free to contact service1@chemsrc.com.