3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt
Metanil Yellow
CAS: 587-98-4
Molecular Formula: C18H14N3NaO3S
3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt - Names and Identifiers
| Name | Metanil Yellow |
| Synonyms | CI 13065 C.I. 13065 CI NO 13065 Metanil Yellow METANIL YELLOW Acid Yellow 36 KITON YELLOW MS KITON ORANGE MNO C.I.Acid Yellow 36 C.I. Acid Yellow 36 Acid Golden Yellow G METANIL YELLOW ORANGE Acid Yellow 36 (13065) metanil yellow (C.I. 13065) C.I. Acid Yellow 36 monosodium salt C.I. Acid Yellow 36, monosodium salt C.I. Acid Yellow 36, monosodium salt (8CI) sodium 3-(p-anilinophenylazo)benzenesulphonate [3-(4-anilinophenyl)azophenyl]sulfanyloxyperoxysodium 3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt 3-((4-(phenylamino)phenyl)azo)-benzenesulfonicacimonosodiumsalt 3-[[4-(phenylamino)phenyl]azo]-benzenesulfonicacimonosodiumsalt 3-[[4-(Phenylamino)phenyl]azo]benzenesulfonic acid monosodium salt |
| CAS | 587-98-4 |
| EINECS | 209-608-2 |
| InChI | InChI=1/C18H15N3O3S.Na/c22-23-24-25-18-8-4-7-17(13-18)21-20-16-11-9-15(10-12-16)19-14-5-2-1-3-6-14;/h1-13,19,22H;/q;+1/p-1/rC18H14N3NaO3S/c22-23-24-25-26-18-8-4-7-17(13-18)21-20-16-11-9-15(10-12-16)19-14-5-2-1-3-6-14/h1-13,19H |
3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt - Physico-chemical Properties
| Molecular Formula | C18H14N3NaO3S |
| Molar Mass | 375.38 |
| Density | 0.488[at 20℃] |
| Melting Point | >250°C |
| Boling Point | 325℃[at 101 325 Pa] |
| Water Solubility | Soluble in water (25g/L). |
| Solubility | 25g/l |
| Vapor Presure | 0Pa at 25℃ |
| Appearance | Powder |
| Color | Orange |
| Maximum wavelength(λmax) | ['414nm, 435nm'] |
| Merck | 14,5928 |
| BRN | 3831568 |
| PH | 10 (10g/l, H2O, 20℃) |
| Storage Condition | room temp |
| MDL | MFCD00007486 |
| Physical and Chemical Properties | Color index 13065 Merck 14,5928 BRN 3831568 yellow powder. Soluble in water, orange yellow, add hydrochloric acid red and produce precipitation, adding sodium hydroxide solution color unchanged, but the excess after precipitation. Soluble in ethanol, ether, benzene and ethylene glycol ether, acetone-soluble. It is purple in concentrated sulfuric acid, and red precipitate is produced after dilution; It is blue in concentrated nitric acid, and then gradually turns orange. When staining, copper ion color was dark green; When iron ion color was shallower; When chromium ion color changed slightly. |
| Use | Acid golden yellow G can be used for wool dyeing and direct printing of wool and silk fabrics, and can also be combined with acid yellow 2G and acid red G to dye golden yellow. Used for soap coloring, but also for paper, leather, paint, medicine, cosmetics, coloring, and for the manufacture of lake pigments. Also used as acid-base indicator (pH = 1-3). Mainly used for the coloring of soap and wool, silk, leather, paper, etc |
3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt - Risk and Safety
| Hazard Symbols | Xi - Irritant |
| Risk Codes | R43 - May cause sensitization by skin contact R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S22 - Do not breathe dust. S24/25 - Avoid contact with skin and eyes. S36/37 - Wear suitable protective clothing and gloves. S36 - Wear suitable protective clothing. S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. |
| WGK Germany | 2 |
| RTECS | DB7329500 |
| TSCA | Yes |
| HS Code | 32041200 |
| Toxicity | LD50 orally in Rabbit: > 2000 mg/kg LD50 dermal Rat > 2000 mg/kg |
3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt - Reference
| Reference Show more | 1. Chen Lin, Wen, Jia Xin, Liu Xiaoxiao et al. Rapid detection of 12 kinds of yellow pigments adulterated in chuanshanjia by HPLC combined with LC-MS/MS [J]. Chinese patent medicine 2017 03(v.39):118-122. |
3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt - Introduction
Soluble in water, soluble in alcohol, moderately soluble in benzene and ether, slightly soluble in acetone, indicator range pH 1.2-2.3
Last Update：2022-10-16 17:26:41
3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt - Reference Information
| Color index | 13065 |
| pH range of acid-base indicator discoloration | Red (1.2) to yellow (2.3) |
| Main applications | Display device, nanoarticles, optical sensors, batteries, lithographic printing platforms, children's coloring books, floor coatings, disinfectants, dyes, personal care products, cosmetics, food storage, antiseismic, dental impression materials |
| LogP | 0.137 at 25℃ |
| EPA chemical substance information | information provided by: ofmpeb.epa.gov (external link) |
| Overview | at present, acid Golden G is one of the main varieties of golden dye, acid Golden G is mainly used for dyeing agent, acid-base indicator, for the coloring of soap and silk, wool, paper, leather and other dyeing. |
| Application | currently, acridine yellow (soap yellow) is used for paper, soap, coloring of cosmetics (paper coloring gives a good amount of color, but not acid-resistant wool, silk fabric dyeing and printing, leather dyeing. It can also be used as an indicator (pH = 1-3). It can also be used in medicine, organic pigments, paints, wood products and biological coloring. |
| Use | acid Golden G can be used for wool dyeing and direct printing of wool and silk fabrics, and can also be used with acid yellow 2G, acid red G was stained golden yellow. Used for soap coloring, but also for paper, leather, paint, medicine, cosmetics, coloring, and for the manufacture of lake pigments. Also used as acid-base indicator (pH = 1-3). acid golden yellow G can be used for wool dyeing and direct printing of wool and silk fabrics, and can also be combined with acid yellow 2G and acid red G to dye golden yellow. Used for soap coloring, but also for paper, leather, paint, medicine, cosmetics, coloring, and for the manufacture of lake pigments. Also used as acid-base indicator (pH = 1-3). Mainly used for the coloring of soap and wool, silk, leather, paper, etc. |
| production method | using M-aminobenzenesulfonic acid and diphenylamine as raw materials, M-aminobenzenesulfonic acid was diazotized, and diphenylamine was coupled to obtain the product. After salting out, filtration, drying, grinding to get the finished product.. |
Last Update：2024-04-10 22:29:15
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View History
3-(4-Anilinophenylazo)benzenesulfonic acid sodium salt
96721-87-8
(1,4-Phenylene)bis(methylamine)
29768-67-0
ONN-Azoxydimethane
1-(2-amino-3,3-dimethylbutoxy)-2-propoxybenzene
Ambroxol Impurity 60
1198306-44-3
N-[[N-Ethyl-N-(8-hydroxyoctyl)amino]methyl]enanthamide
66762-58-1
96721-87-8
(1,4-Phenylene)bis(methylamine)
29768-67-0
ONN-Azoxydimethane
1-(2-amino-3,3-dimethylbutoxy)-2-propoxybenzene
Ambroxol Impurity 60
1198306-44-3
N-[[N-Ethyl-N-(8-hydroxyoctyl)amino]methyl]enanthamide
66762-58-1