C.I. Pigment Red 193 - Names and Identifiers
C.I. Pigment Red 193 - Physico-chemical Properties
| Storage Condition | -20°C |
| Physical and Chemical Properties | EPA Chemical Information C. I. Pigment Red 193 (12227-62-2) |
C.I. Pigment Red 193 - Upstream Downstream Industry
C.I. Pigment Red 193 - Introduction
acid Red 27 Aluminum Lake (Aluminum, 3-hydroxy-4-[(4-sulfo-1-napthalenyl) azo]-2,7-napthalenedisulfonic acid complex) is an organic synthetic dye. Its molecular formula is C20H12N2O11S3Al and its molecular weight is 579.49g/mol.
Nature:
-Appearance: Acid Red 27 aluminum Lake is a red to brown crystalline powder.
-Solubility: Acid Red 27 aluminum Lake is dissolved in water to form a red solution, insoluble in organic solvents.
-Stability: It is more stable under acidic conditions, but it will easily decompose under alkaline conditions.
Use:
-Acid Red 27 Aluminum Lake is mainly used as a dye and is widely used in the textile industry to dye fabrics and fibers.
-In addition, Acid Red 27 can also be used in the painting and printing industry.
Method:
The preparation of Acid Red 27 aluminum Lake usually involves the following steps:
1. 3-hydroxy-2,7-naphthalenedisulfonic acid (3-hydroxy-2,7-naphthalenedisulfonic acid) was reacted with 4-amino-1-naphthalenesulfonic acid (4-amino-1-naphthalenesulfonic acid) under appropriate conditions, generates 4-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid.
2.4-[(4-sulfo-1-naphthalenyl)azo]-1-naphthalenesulfonic acid is reacted with Aluminum hydroxide to form acid red 27 Aluminum lake under proper temperature and pH conditions.
Safety Information:
acid red 27 aluminum Lake is a chemical substance, the use of the following safety precautions:
-Avoid inhaling dust and avoid contact with skin, eyes or clothing.
-Wear protective glasses, gloves and protective clothing when using.
-Avoid contact with strong oxidants.
-Use in a well-ventilated place.
-In case of inadvertent contact or inhalation, seek medical help immediately and show this safety manual.
Last Update：2024-04-10 22:29:15