BGC » Chemicals A-Z » p-Nitrotoluene sulfonic acid

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p-Nitrotoluene sulfonic acid

BGC Id:	170244591751
CAS No:	121-03-9
Synonyms:	pntos ; 5-nitro-o-toluenesulfonicaci ; 4-nitro-o-toluenesulfonicacid ; p-nitrotoluene sulfonic acid ; toluenesulfonic acid, 5-nitr ; 4-nitrotoluenesulfonic acid ; 4-nitrotoluol-2-acid ; 4-nitro-2-sulfotoluene ; 5-nitro-o-toluenesulfonicac ; labotest-bb lt00052933
Molecular Formula:	C7H7NO5S
Molecular Weight:	217.2
EINECS:	204-445-3

2025 - The most valued supplier

The following notable provider has been checked and can be recommended.

BuGuCh & Partners

Tipo de compañía: Producer

País: Germany

We, BuGuCh & Partners, are an international acting and innovative company, leading in developing and manufacturing. We operates major facilities in North America, Europe and the Pacific Rim, as well as facilities in China, Japan and Saudi Arabia operated through joint ventures. We maintain independently or are partners of some production site ...

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What other providers are available for CAS 121-03-9?

The last intensive check and update was carried out on 2025/05/30.

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Synonyms:

pntos ; 5-nitro-o-toluenesulfonicaci ; 4-nitro-o-toluenesulfonicacid ; p-nitrotoluene sulfonic acid ; toluenesulfonic acid, 5-nitr ; 4-nitrotoluenesulfonic acid ; 4-nitrotoluol-2-acid ; 4-nitro-2-sulfotoluene ; 5-nitro-o-toluenesulfonicac ; labotest-bb lt00052933

CAS:

121-03-9

EINECS:

204-445-3

Molecular Formula:

C7H7NO5S

MDL:

MFCD00024914

SMILES:

C1=CC2=C3C(=C1)C=CC4=C(C=CC(=C43)C=C2)CCCC(=O)N

Properties

Molecular Weight:

217.2 g·mol−1

Melting point:

135 °C

Safety Information

Hazard Symbols: Xn

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

34-41-43-36-22 (R)

Safety Codes:

26-36/37/39-39-36/37 (S)

RID / ADR:

3261

RTECS:

DB7175000

The following providers cannot be verified precisely. The companies have offered the product in the past, but despite all care, the companies could not confirm it 100 percent!

CellMark AB

CellMark Chemicals is a global supplier of chemical products with 15 offices, located worldwide. We specialize in Sourcing, Sales & Marketing, and Cus... Request

What other providers are available for CAS 121-03-9?

In addition to the providers presented here for p-Nitrotoluene sulfonic acid with the CAS number 121-03-9, there are other 51 providers with slightly different product names available for this CAS number.

PNTOS

+1 additional providers that we know from the past

PNTSA

+2 additional providers that we know from the past

4-Nitrotoluene-2-sulfonic acid

p-Nitrotoluene-o-sulfonic acid

Xingrui Industry Co., Limited | BIOZOL Diagnostica Vertrieb GmbH +3 additional providers that we know from the past

2-Methyl-5-nitrobenzene sulfonic acid

Shanghai Mintchem Development Co., Ltd. | Hangzhou Keying Chem Co., Ltd. | Hangzhou Lingrui Chemical Co., Ltd. | Carbone Scientific Co., Ltd. | Leap Chem Co., Ltd +10 additional providers that we know from the past

4-Nitrotoluene-2-sulfonic acid hydrate

+5 additional providers that we know from the past

Pntosa (2-methyl-5-nitrobenzene sulfonic acid)

+1 additional providers that we know from the past