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1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt

BGC Id:	370333164774
CAS No:	149-45-1
Synonyms:	tirongr ; sdd ; tiron(rg ; tlron ; tiron ; tiron(r) ; tiron(tm) ; tiron ; tferric ; tiferron
Molecular Formula:	C6H4Na2O8S2.H2O
Molecular Weight:	332.22
EINECS:	205-741-5

The most competitive supplier in 2026

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

Molekula GmbH

Company type: Trading company

Phone: +49 (0) 89 360 900 900
Telefax: +49 (0) 89 360 900 901
Country: Germany

Molekula supplies speciality chemicals and biochemicals to the fine chemical, research and diagnostic community. Our core competence is in the area of heterocycles for combinatorial chemistry, small building blocks for discovery and large scale synthesis for pilot teams and production. In the field of biochemicals, Molekula is a major supplier of k ...

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What other providers are available for CAS 149-45-1?

The last intensive check and update was carried out on 2026/04/12.

Identify

Synonyms:

tirongr ; sdd ; tiron(rg ; tlron ; tiron ; tiron(r) ; tiron(tm) ; tiron ; tferric ; tiferron

CAS:

149-45-1

EINECS:

205-741-5

Molecular Formula:

C6H4Na2O8S2.H2O

MDL:

MFCD00007473

Properties

Molecular Weight:

332.22 g·mol−1

Melting point:

300 °C

Safety Information

Hazard Symbols: Xi

Europe standard Hazard pictograms, code and definition

Hazard Classes:

Risk Codes:

36/37/38 (R)

Safety Codes:

26-36 (S)

WGK Germany:

RTECS:

CZ9263000

What other providers are available for CAS 149-45-1?

In addition to the providers presented here for 1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt with the CAS number 149-45-1, there are other 42 providers with slightly different product names available for this CAS number.

Tiron

Tiron 1-hydrate

+2 additional providers that we know from the past

Pyrocatechol-3,5-disodium sulfonate

+2 additional providers that we know from the past

Disodium pyrocatechol-3,5-disulfonate

WeylChem ORGANICA GmbH

Pyrocatechol-3,5-disulffonic acid di-sodium-salt, hydrate

BIOZOL Diagnostica Vertrieb GmbH | BuGuCh & Partners +3 additional providers that we know from the past

1,2-Dihydroxybenzene-3,5-disulfonic acid disodium salt hydrate

+2 additional providers that we know from the past