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

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 2-Methylisonicotinic acid
Price: ￥138.0/1g ￥398.0/5g ￥688.0/10g ￥1378.0/25g
Purity: 97.0%
Stocking Period: Inquiry
Contact: Liu jia
Email: 2130147988@qq.com

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

4021-11-8

4021-11-8 structure

4021-11-8 structure

Name: 2-Methylisonicotinic acid
Chemical Name: 2-Methylpyridine-4-carboxylic acid
CAS Number: 4021-11-8
Molecular Formula: C₇H₇NO₂
Molecular Weight: 137.136
Catalog: Pharmaceutical intermediate Heterocyclic compound Pyridine compound Pyridine derivative
Create Date: 2018-05-18 08:00:00
Modify Date: 2025-08-26 06:52:26

Name	2-Methylpyridine-4-carboxylic acid
Synonyms	2-Methylisonicotinic acid 2-Methyl-4-pyridinecarboxylic Acid 4-Pyridinecarboxylic acid, 2-methyl- 2-methylpyridine-4-carboxylic acid

Density	1.2±0.1 g/cm3
Boiling Point	368.2±22.0 °C at 760 mmHg
Melting Point	295-299ºC
Molecular Formula	C₇H₇NO₂
Molecular Weight	137.136
Flash Point	176.5±22.3 °C
Exact Mass	137.047684
PSA	50.19000
LogP	1.00
Vapour Pressure	0.0±0.9 mmHg at 25°C
Index of Refraction	1.561

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	Eyeshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36/37
RIDADR	NONH for all modes of transport
HS Code	2933399090

Precursor 8
25462-85-5 108-47-4 84531-16-8 84531-07-7
17422-74-1 459-73-4 16830-24-3 84531-20-4
DownStream 9
108129-25-5 19354-04-2 16830-24-3 2214-53-1
25635-17-0 3758-59-6 64819-70-1 847604-18-6
64434-96-4

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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