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

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

138-42-1

138-42-1 structure

138-42-1 structure

Name: p-Nitrophenylsulfonic acid
Chemical Name: 4-Nitrobenzenesulfonic Acid
CAS Number: 138-42-1
Molecular Formula: C₆H₅NO₅S
Molecular Weight: 203.173
Catalog: Organic raw materials Hydrocarbon compounds and their derivatives Hydrocarbon nitrite
Create Date: 2018-06-26 10:12:03
Modify Date: 2025-08-24 20:59:53

Name	4-Nitrobenzenesulfonic Acid
Synonyms	4-Nitrobenzenesulfonic acid 4-Nitrobenzenesulfonic acid hydrate p-Nitrophenylsulfonic acid 4-Nitro-benzenesulfonic acid 4-nitrobenzenesulphonic acid 4-Nitrobenzene-1-sulfonic acid Benzenesulfonic acid, 4-nitro- p-Nitrobenzenesulfonic acid EINECS 205-329-5 MFCD00041886

Density	1.6±0.1 g/cm3
Melting Point	105-112 °C
Molecular Formula	C₆H₅NO₅S
Molecular Weight	203.173
Exact Mass	202.988846
PSA	108.57000
LogP	0.67
Index of Refraction	1.612

Hazard Codes	Xi: Irritant;C: Corrosive;
Risk Phrases	R36/37/38
Safety Phrases	S37/39-S26
RIDADR	2305
Hazard Class	8.0
HS Code	2904909090

Precursor 10
100-32-3 1849-36-1 98-74-8 1095394-81-2
121-57-3 6209-72-9 1199-67-3 100-00-5
573-89-7 98-11-3
DownStream 8
1830-67-7 98-74-8 6214-20-6 15481-55-7
121-47-1 121-57-3 84253-14-5 4028-53-9

HS Code	2904909090
Summary	HS:2904909090 sulphonated, nitrated or nitrosated derivatives of hydrocarbons, whether or not halogenated VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%

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