THIOSALYCYLIC ACID
Thiosalicylic acid
CAS: 147-93-3;7283-41-2
Molecular Formula: C7H6O2S
THIOSALYCYLIC ACID - Names and Identifiers
| Name | Thiosalicylic acid |
| Synonyms | THIOSALICYLIC ACID THIOSALYCYLIC ACID Thiosalicylic acid 2-THIOSALICYLIC ACID Thisosalicyilic acid 2-MERCAPTOBENZOIC ACID O-MERCAPTOBENZOIC ACID O-SULFHYDRYLBENZOIC ACID 2-Metrcaptobenzoic acid, o-Sulfhylbenzoic acid |
| CAS | 147-93-3 7283-41-2 |
| EINECS | 205-704-3 |
| InChI | InChI=1/C7H6O2S/c8-7(9)5-3-1-2-4-6(5)10/h1-4,8-9H/p-2 |
THIOSALYCYLIC ACID - Physico-chemical Properties
| Molecular Formula | C7H6O2S |
| Molar Mass | 154.19 |
| Density | 1.49 |
| Melting Point | 164-169℃ |
| Boling Point | 234.3°C at 760 mmHg |
| Flash Point | 95.5°C |
| Water Solubility | soluble in hot water |
| Solubility | Soluble in alcohol (200 mg/l), ether and glacial acetic acid, soluble in hot water. |
| Vapor Presure | 0.00979mmHg at 25°C |
| Appearance | Crystallization |
| Storage Condition | Room Temprature |
| Sensitive | Easily absorbing moisture |
| Refractive Index | 1.5100 (estimate) |
| MDL | MFCD00004836 |
| Physical and Chemical Properties | Appearance properties White triclinic crystals or white solidified matter |
| Use | Used as intermediates in organic synthesis, medicine and dyes |
THIOSALYCYLIC ACID - Risk and Safety
| Hazard Symbols | Xn - Harmful |
| Risk Codes | R20/21/22 - Harmful by inhalation, in contact with skin and if swallowed. R36/37/38 - Irritating to eyes, respiratory system and skin. |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36/37/39 - Wear suitable protective clothing, gloves and eye/face protection. |
THIOSALYCYLIC ACID - Upstream Downstream Industry
| Raw Materials | hydracide FUMARONITRILE |
| Downstream Products | Thianaphthene 2-(METHYLTHIO)BENZOIC ACID 2-MERCAPTOBENZYL ALCOHOL 2-Chlorobenzothiazole 2-Chlorothioxanthone Vat Red 41 |
THIOSALYCYLIC ACID - Introduction
Softened at 158 ℃. Can sublimate. The half lethal dose of dithiosalicylic acid (mice, abdominal cavity) was 50mg/kg in exposed air. It's irritating.
Last Update：2022-10-16 17:14:01
THIOSALYCYLIC ACID - Nature
| storage conditions | Store below 30°C. |
| acidity coefficient (pKa) | pK1:4.05(0) (20°C) |
| morphology | Fine Crystalline Powder |
| color | White to yellow |
| water solubility | soluble in hot water |
| sensitivity | Air & Light Sensitive |
| Merck | 14,9360 |
| BRN | 508507 |
| InChIKey | NBOMNTLFRHMDEZ-UHFFFAOYSA-N |
| NIST chemical information | Benzoic acid, 2-mercapto-(147-93-3) |
| EPA chemical information | Benzoic acid, 2-mercapto- (147-93-3) |
Last Update：2024-04-10 22:29:15
THIOSALYCYLIC ACID - Security information
| WGK Germany | 3 |
| RTECS number | DH3325000 |
| F | 9-23 |
| TSCA | Yes |
| customs code | 29309070 |
| toxic substance data | 147-93-3(Hazardous Substances Data) |
Last Update：2024-04-10 22:29:15
THIOSALYCYLIC ACID - Uses and synthesis methods
chemical properties
Yellow leaf-like (glacial acetic acid) or needle-like (aqueous ethanol) crystals. Melting point 165.5 ℃,158 ℃ softening, can sublimate, easily soluble in acetic acid, slightly soluble in hot water, dithiosalicylic acid is obtained in air.
use
1. The intermediate of thimerosal is also an intermediate of thioindigo blue dye and an iron determination reagent.
2, mainly used in pesticide, dye, rubber industry, can also be used in methyl salicylate and other pharmaceutical products, or electroplating industry for ferrous metal production of anti-corrosion treatment, also used as metal surface treatment agent, ceramic industry Used as colorant
3. Reagents for the determination of iron, liquid chromatography to determine ethyl mercury sodium thiosalicylate and ethyl mercury. Preparation of thioindigo dyes.
4. Used as an intermediate in organic synthesis, medicine and dyes
production method
It is prepared by reacting halogenated benzoic acid with hydrosulfide in the presence of a copper catalyst.
Last Update：2024-04-09 20:52:54
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View History
Raw Materials for THIOSALYCYLIC ACID
Downstream Products for THIOSALYCYLIC ACID
Thianaphthene
2-(METHYLTHIO)BENZOIC ACID
2-MERCAPTOBENZYL ALCOHOL
2-Chlorobenzothiazole
2-Chlorothioxanthone
Vat Red 41
2-(METHYLTHIO)BENZOIC ACID
2-MERCAPTOBENZYL ALCOHOL
2-Chlorobenzothiazole
2-Chlorothioxanthone
Vat Red 41