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
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)