| ≥1 piece |
1)Strict quality contral and best price.
2)be exported to more than 50 countries.
3) On time service
4)high degree of credit
Name: Orcein
Synonyms: Orchil
Molecular Formula: C 28 H 24 N 2 O 7
CAS Registry Number: 1400-62-0
Orcein, also archil, orchil, lacmus, litmus, Citrus Red 2, and C.I. Natural Red 28, are names for dyes extracted from several species of lichen, also called orchella weeds, found in various parts of the world. The manufacture was described by Cocq in 1812 [1] and in the UK in 1874 [2]. Commercial archil is either a powder (called cudbear) or a paste. It is red in acidic pH and blue in alkaline pH.
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| CAS No.: 1400-62-0 | Other Names: NATURAL RED 28 | MF: C28 H24 N2 O7 |
| EINECS No.: 215-750-6 | Type: Colorants | Brand Name: AZ |
| Model Number: B-1 |