1796-92-5
chrome azurol B
CAS: 1796-92-5
Molecular Formula: C23H14Cl2Na2O6
1796-92-5 - Names and Identifiers
| Name | chrome azurol B |
| Synonyms | C.I. 43830 Chromazurol B MORDANT BLUE 1 Chromeazurol B Mordant Blue 1 chrome azurol B C.I.Mordant Blue 1 SOLOCHROME AZURINE Chrome pure blue BX AcidchromepureblueB NAPHTHALENE AZURE 2B SOLOCHROME AZURINE BS AcidmordantlightblueB Mordant Blue 1 (43830) Acid Chrome Pure Blue B NAPHTHOCHROME AZURINE 2B SUNCHROMINE PURE BLUE BX C.I. Mordant Blue 1 (VAN) C.I. Mordant Blue 1, disodium salt (8CI) 5-[(E)-(3-carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)(2,6-dichlorophenyl)methyl]-2-hydroxy-3-methylbenzoic acid disodium 5-[(E)-(3-carboxylato-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)(2,6-dichlorophenyl)methyl]-2-hydroxy-3-methylbenzoate |
| CAS | 1796-92-5 |
| EINECS | 217-279-1 |
| InChI | InChI=1/C23H16Cl2O6.2Na/c1-10-6-12(8-14(20(10)26)22(28)29)18(19-16(24)4-3-5-17(19)25)13-7-11(2)21(27)15(9-13)23(30)31;;/h3-9,26H,1-2H3,(H,28,29)(H,30,31);;/q;2*+1/p-2/b18-13+; |
1796-92-5 - Physico-chemical Properties
| Molecular Formula | C23H14Cl2Na2O6 |
| Molar Mass | 503.24 |
| Boling Point | 683°C at 760 mmHg |
| Flash Point | 366.9°C |
| Solubility | Aqueous Base (Slightly), DMSO (Slightly), Methanol (Slightly), Water (Slightly) |
| Vapor Presure | 1.37E-19mmHg at 25°C |
| Appearance | Solid |
| Color | Red to Dark Red |
| BRN | 4101148 |
| Storage Condition | Refrigerator |
| MDL | MFCD00036446 |
| Physical and Chemical Properties | Orange-red powder, slightly soluble in cold water, brown yellow when soluble in hot water, yellow olive brown when insoluble in ethanol. It is red in concentrated acid and orange after dilution. Its aqueous solution plus sodium hydroxide solution is purple-blue. When dyeing, it is less sensitive to metals. Solubility in water (80 ℃)100g/L. |
1796-92-5 - Risk and Safety
| Risk Codes | 36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. |
| WGK Germany | 3 |
1796-92-5 - Reference Information
| chemical properties | orange-red powder, slightly soluble in cold water, brownish yellow when dissolved in hot water, and yellow olive brown when insoluble in ethanol. It is red in concentrated acid and orange after dilution. Its aqueous solution plus sodium hydroxide solution is purple-blue. When dyeing, it is less sensitive to metals. Solubility in water (80 ℃)100g/L. |
| use | is mainly used for dyeing wool top, wool and blanket, and can also be used for dyeing silk and nylon. post-media method should be adopted. Wool fabrics pretreated with chromium acetate can be directly printed with this product. The product can also be used for dyeing leather and as a pigment. This product is a brighter variety of acid mordant dyes, with good levelness, but poor light color and light fastness. It is generally used for dyeing medium or above blue or with acid mordant deep yellow GG, pink 3BM, gray BS, etc. Color matching. it is mainly used for dyeing wool, wool and other wool fabrics, especially for carpet dyeing |
| production method | it is condensed with 2,6-dichlorobenzene, after salting out, filtering, drying and other processing processes, the product is prepared. The appearance of the product is orange-red uniform powder, the color and light standard product is similar (pure blue → red light navy blue), the strength is 100±3 (minutes) of the standard product, the moisture content is ≤ 5%, the impurity content insoluble in water is ≤ 1%, the fineness (content of residue through 80 mesh sieve) is ≤ 5%, and the dyeing fastness on the wool fabric conforms to the standard product (sun, soaping, carbonization, dry friction, etc. is grade 4, water immersion, sweat immersion, etc. are 5 levels, cooking, ironing, etc. are 4-5 levels.). Raw material consumption (kg/t)2,6-dichlorobenzaldehyde 2902-hydroxy-3-methylbenzoic acid 560 soda ash 75 caustic soda 30 sodium bicarbonate 255 |
| color index | 43830 |
| EPA chemical information | information provided by: ofmpub.epa.gov (external link) |
Last Update：2024-04-09 19:05:04
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