Orchil Red is a red dye that is soluble in water, exhibiting a blue-ray red color. It has unique properties when interacting with acids and bases, such as forming a red-brown precipitate in strong sulfuric acid and a palm red precipitate when hydrochloric acid is added to its water solution. The precipitate dissolves upon the addition of sodium hydroxide.
6226-81-9
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Basic information
- Product Name: Orchil Red
- Synonyms: 4-[[2-[(2,4-Dimethylphenyl)azo]-4,6-dimethylphenyl]azo]-3-hydroxy-2,7-naphthalenedisulfonic acid disodium salt;C.I.27210;C.I.Acid Red 170;Orchil Red
- CAS NO:6226-81-9
- Molecular Formula:
- Molecular Weight: 0
- EINECS: N/A
- Product Categories: N/A
- Mol File: 6226-81-9.mol
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Chemical Properties
- Melting Point: N/A
- Boiling Point: N/A
- Flash Point: N/A
- Appearance: /
- Density: N/A
- Refractive Index: N/A
- Storage Temp.: N/A
- Solubility: N/A
- CAS DataBase Reference: Orchil Red(CAS DataBase Reference)
- NIST Chemistry Reference: Orchil Red(6226-81-9)
- EPA Substance Registry System: Orchil Red(6226-81-9)
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Safety Data
- Hazard Codes: N/A
- Statements: N/A
- Safety Statements: N/A
- WGK Germany:
- RTECS:
- HazardClass: N/A
- PackingGroup: N/A
- Hazardous Substances Data: 6226-81-9(Hazardous Substances Data)
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6226-81-9 Usage
Uses
Used in Textile Industry:Orchil Red is used as a dye in the textile industry for coloring fabrics due to its vibrant red color and solubility in water.
Used in Analytical Chemistry:
Orchil Red is used as an indicator in analytical chemistry, taking advantage of its color changes in the presence of acids and bases to determine pH levels or monitor chemical reactions.
Used in Art and Crafts:
Orchil Red is used as a pigment in art and crafts for creating red-colored artworks and handicrafts, thanks to its intense color and ability to mix with other pigments.
Used in Cosmetics Industry:
Orchil Red is used as a colorant in the cosmetics industry for adding a red hue to various cosmetic products, such as lipsticks, blushes, and nail polishes, due to its stable color and compatibility with other ingredients.
Preparation
2-Amino-2′,3,4′,5-tetramethylazobenzene?diazo, coupled with 3-Hydroxynaphthalene-2,7-disulfonic acid.Check Digit Verification of cas no
The CAS Registry Mumber 6226-81-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 6,2,2 and 6 respectively; the second part has 2 digits, 8 and 1 respectively.Calculate Digit Verification of CAS Registry Number 6226-81:
(6*6)+(5*2)+(4*2)+(3*6)+(2*8)+(1*1)=89
89 % 10 = 9
So 6226-81-9 is a valid CAS Registry Number.
InChI:InChI=1/C26H24N4O7S2.2Na/c1-14-5-8-21(16(3)9-14)27-28-22-11-15(2)10-17(4)24(22)29-30-25-20-7-6-19(38(32,33)34)12-18(20)13-23(26(25)31)39(35,36)37;;/h5-13,31H,1-4H3,(H,32,33,34)(H,35,36,37);;/q;2*+1/p-2
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Orchil Red
