A0628812
Acetylsalicylic acid , 99% , 50-78-2
Synonym(s):
O-Acetylsalicylic acid;2-Acetoxybenzoic acid;Acetylsalicylic acid;ASA;Aspirin
CAS NO.：50-78-2
Empirical Formula: C9H8O4
Molecular Weight: 180.16
MDL number: MFCD00002430
EINECS: 200-064-1
| Pack Size | Price | Stock | Quantity |
| 25g | RMB31.20 | In Stock |
|
| 100G | RMB37.60 | In Stock |
|
| 500G | RMB80.00 | In Stock |
|
| 2.5KG | RMB264.00 | In Stock |
|
| 10kg | RMB837.60 | In Stock |
|
| others | Enquire |
Update time: 2022-07-08
PRODUCT Properties
| Melting point: | 134-136 °C (lit.) |
| Boiling point: | 272.96°C (rough estimate) |
| Density | 1.35 |
| refractive index | 1.4500 (estimate) |
| Flash point: | 250 °C |
| storage temp. | 2-8°C |
| solubility | H2O: 10 mg/mL at 37 °C |
| form | crystalline |
| color | white |
| pka | 3.5(at 25℃) |
| biological source | synthetic |
| Water Solubility | 3.3 g/L (20 ºC) |
| ε(extinction coefficient) | 190 at 298nm in aqueous base at 1mM 409 at 231nm in aqueous base at 1mM 466 at 230nm in aqueous acid at 1mM 68 at 278nm in aqueous acid at 1mM |
| Merck | 14,851 |
| BRN | 779271 |
| Exposure limits | ACGIH: TWA 5 mg/m3 NIOSH: TWA 5 mg/m3 |
| BCS Class | 3 |
| Stability: | Stable. Keep dry. Incompatible with strong oxidizing agents, strong bases, strong acids, various other compounds such as iodides, iron salts, quinine salts, etc. |
| Cosmetics Ingredients Functions | EXFOLIATING |
| InChI | 1S/C9H8O4/c1-6(10)13-8-5-3-2-4-7(8)9(11)12/h2-5H,1H3,(H,11,12) |
| InChIKey | BSYNRYMUTXBXSQ-UHFFFAOYSA-N |
| SMILES | CC(=O)Oc1ccccc1C(O)=O |
| LogP | 1.190 |
| CAS DataBase Reference | 50-78-2(CAS DataBase Reference) |
| NIST Chemistry Reference | Benzoic acid, 2-(acetyloxy)-(50-78-2) |
| EPA Substance Registry System | Aspirin (50-78-2) |
Description and Uses
Acetylsalicylic acid is a white crystalline powder commonly known by its common name as aspirin or ASA. Aspirin is the most widely used medication in the world.
Axepim Cephalosporin antibiotic
Safety
| Symbol(GHS) |  GHS07 |
| Signal word | Warning |
| Hazard statements | H302 |
| Precautionary statements | P264-P270-P301+P312-P501 |
| PPE | dust mask type N95 (US), Eyeshields, Faceshields, Gloves |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Safety Statements | 26-36/37/39 |
| RIDADR | UN 1851 |
| OEB | B |
| OEL | TWA: 5 mg/m3 |
| WGK Germany | 1 |
| RTECS | VO0700000 |
| TSCA | TSCA listed |
| HazardClass | 6.1 |
| PackingGroup | III |
| HS Code | 29182210 |
| Storage Class | 11 - Combustible Solids |
| Hazard Classifications | Acute Tox. 4 Oral |
| Hazardous Substances Data | 50-78-2(Hazardous Substances Data) |
| Toxicity | LD50 orally in mice, rats: 1.1, 1.5 g/kg (Hart) |
