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-Naphthalenesulfonicacid, 4-amino-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

134-54-3

134-54-3 structure

134-54-3 structure

Name: 2-Naphthalenesulfonicacid, 4-amino-
Chemical Name: 4-aminonaphthalene-2-sulfonic acid
CAS Number: 134-54-3
Molecular Formula: C₁₀H₉NO₃S
Molecular Weight: 223.24800
Create Date: 2017-03-19 11:32:48
Modify Date: 2025-08-25 17:26:44

Name	4-aminonaphthalene-2-sulfonic acid
Synonyms	1-aminonaphthalene-3-sulfonic acid 4-amino-naphthalene-2-sulfonic acid 4-Amino-2-naphthalenesulfonic acid 4-Amino-naphthalin-2-sulfonsaeure 1-Naphthylamine,3-sulfo Naphthylamin-(1)-sulfonsaeure-(3) 1-Amino-naphthalin-sulfonsaeure-(3) Cleve's acid

Density	1.502g/cm3
Molecular Formula	C₁₀H₉NO₃S
Molecular Weight	223.24800
Exact Mass	223.03000
PSA	88.77000
LogP	3.33070
Index of Refraction	1.713

HS Code	2921450090

Precursor 2
129-91-9 7664-93-9
DownStream 3
19700-42-6 5724-16-3 3771-14-0

HS Code	2921450090
Summary	2921450090 1-naphthylamine (α-naphthylamine), 2-naphthylamine (β-naphthylamine) and their derivatives; salts thereof。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

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