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Solvent Brown 12

Name:C.I.Solvent Brown 12,C.I.21010:1

Molecular Structure: Double azo class

C.I.Solvent Brown 12,C.I.21010:1,CAS 4482-25-1,388.47,C21H24N8,Bismarck Brown Base,Oil Brown 12,Bismarck Brown R Base,Bismark Brown R

C.I.Solvent Brown 12,C.I.21010:1,CAS 4482-25-1,388.47,C21H24N8,Bismarck Brown Base,Oil Brown 12,Bismarck Brown R Base,Bismark Brown R

Molecular Formula:C21H24N8

Molecular Weight: 388.47

CAS Registry Number:4482-25-1

Manufacturing Methods : 2 moles of nitrous acid treatment with 3 moles of  4-Methylbenzene-1,3-diamine  hydrochloride.

This product may be based on the double azo dyes as the main component of the mixture).

Properties and Applications:dark yellow brown to brown. Melting point of 130 ~ 135 ℃ soluble in ethanol and acetone, hardly soluble in water.

Standard Light Fastness Heat-resistant(℃) water Sodium Carbonate(5%) Hydrochloric acid(5%)
Melting point Stable
ISO General 130-135 >155 Well No change Poor

List of Suppliers:

Oil Brown 12 Shandong Qing Shun Chemical Co., Ltd.

Bismarck Brown Base ( Pylam Products Co. Inc. )

Bismarck Brown R Base( Passaic Color & Chemical Co. )

Bismarck Brown R Base( Pylam Products Co. Inc. )

Bismark Brown R(Dye Specialities Inc)

Bismark Brown R Base ( Global Colors Inc. )

Simpsol Bismark R 24799 (Simpsons (UK) Ltd)

Vesuvine(Colorom SA)


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