Shanghai Nianxing Industrial Co., Ltd
China
Product Name: 4-Aminophthalic acid
Price: Check
Purity: 95.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Shanghai Jizhi Biochemical Technology Co., Ltd
China
Product Name: 4-Aminophthalic acid
Price: ￥808.0/25g ￥288.0/5g
Purity: 95.0%
Stocking Period: 2 Day
Contact: Liu jia
Email: 2130147988@qq.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4-Aminophthalic acid
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: 4-Aminophthalic acid
Price: $Inquiry/1kg $Inquiry/25kg $Inquiry/1000kg $Inquiry/10ton
Purity: 99.0%
Stocking Period: Inquiry
Contact: Anson
Email: info@tianfuchem.com

5434-21-9

5434-21-9 structure

5434-21-9 structure

Name: 4-Aminophthalic acid
Chemical Name: 4-Aminophthalic acid
CAS Number: 5434-21-9
Molecular Formula: C₈H₇NO₄
Molecular Weight: 181.145
Catalog: Biochemical Amino acids and their derivatives Other amino acid derivatives
Create Date: 2018-06-13 17:30:15
Modify Date: 2025-08-20 10:22:25

Name	4-Aminophthalic acid
Synonyms	4-Aminophthalic acid 4-aminobenzene-1,2-dioic acid 1-amino-3,4-dicarboxy-benzene 4-Amino-1,2-benzenedicarboxylic acid 1,2-Benzenedicarboxylic acid, 4-amino- MFCD00013985 4-aminobenzene-1,2-dicarboxylic acid 4-Amino-phthalsaeure EINECS 226-596-4 4-amino-phthalic acid 5-Aminophthalic acid

Density	1.6±0.1 g/cm3
Boiling Point	465.1±40.0 °C at 760 mmHg
Melting Point	344 °C (dec.)(lit.)
Molecular Formula	C₈H₇NO₄
Molecular Weight	181.145
Flash Point	235.1±27.3 °C
Exact Mass	181.037506
PSA	100.62000
LogP	-0.08
Vapour Pressure	0.0±1.2 mmHg at 25°C
Index of Refraction	1.684

Symbol	GHS07
Signal Word	Warning
Hazard Statements	H315-H319-H335
Precautionary Statements	P261-P305 + P351 + P338
Personal Protective Equipment	dust mask type N95 (US);Eyeshields;Gloves
Hazard Codes	Xi:Irritant;
Risk Phrases	R36/37/38
Safety Phrases	S26-S36
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	2922499990

Precursor 5
610-27-5 610-22-0 88-99-3 7647-01-0
2307-00-8
DownStream 8
22572-84-5 89-20-3 610-35-5 99-05-8
17011-53-9 144907-46-0 81994-68-5 39519-77-2

HS Code	2922499990
Summary	HS:2922499990 other amino-acids, other than those containing more than one kind of oxygen function, and their esters; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward) MFN tariff:6.5% General tariff:30.0%

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