5-Chloro-2-hydroxybenzoic acid
Synonym(s):5-Chloro-2-hydroxybenzoic acid
- CAS NO.：321-14-2
- Empirical Formula: C7H5ClO3
- Molecular Weight: 172.57
- MDL number: MFCD00002457
- EINECS: 206-283-9
- SAFETY DATA SHEET (SDS)
- Update Date: 2025-12-17 09:50:27
What is 5-Chloro-2-hydroxybenzoic acid?
Chemical properties
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The Uses of 5-Chloro-2-hydroxybenzoic acid
Moth-proofing, insecticide, intermediate for pharmaceuticals, dyes, pesticides.
Definition
ChEBI: A monohydroxybenzoic acid that is 2-hydroxybenzoic acid in which the hydrogen at position 5 is replaced by chlorine.
Hazard
Toxic by ingestion.
Properties of 5-Chloro-2-hydroxybenzoic acid
| Melting point: | 171-172 °C(lit.) |
| Boiling point: | 244.67°C (rough estimate) |
| Density | 1.3766 (rough estimate) |
| refractive index | 1.4580 (estimate) |
| storage temp. | Inert atmosphere,Room Temperature |
| solubility | 1g/l |
| form | powder to crystal |
| pka | pK1:2.63 (25°C) |
| color | White to Almost white |
| PH | 2.5 (H2O, 20℃)(aqueous suspension) |
| Water Solubility | 1 g/L (20 ºC) |
| BRN | 2046665 |
| CAS DataBase Reference | 321-14-2(CAS DataBase Reference) |
| NIST Chemistry Reference | 5-Chlorosalicylic acid(321-14-2) |
| EPA Substance Registry System | Benzoic acid, 5-chloro-2-hydroxy- (321-14-2) |
Safety information for 5-Chloro-2-hydroxybenzoic acid
| Signal word | Danger |
| Pictogram(s) |
 Skull and Crossbones Acute Toxicity GHS06 |
| GHS Hazard Statements |
H301:Acute toxicity,oral |
| Precautionary Statement Codes |
P264:Wash hands thoroughly after handling. P264:Wash skin thouroughly after handling. P270:Do not eat, drink or smoke when using this product. P301+P310:IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. P405:Store locked up. P501:Dispose of contents/container to..… |
Computed Descriptors for 5-Chloro-2-hydroxybenzoic acid
5-Chloro-2-hydroxybenzoic acid manufacturer
SAKEM LLP
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product: 2-Hydroxy-5-chlorobenzoic acid 98%
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