CAS RN: 50-78-2
Acetylsalicylic Acid
Product Availability
Choose a grade to view its available package options.
10 package records10 with current stock5 grade groups
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20250320 | 10ml | In stock | Shanghai | Inquiry |
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20260627 | 100g / 500g / 2.5kg / 10kg / 12X500g | Confirm by inquiry | Shanghai, Shandong, Guangdong, Chongqing, Hebei | Inquiry |
| Batch No. | Package | Availability | Warehouse | Inquiry |
|---|---|---|---|---|
| Batchno.20260310 | 1ml | In stock | Inquiry |
- Product code: SSC-156277
Verified Factory Data
Supply Overview & Packaging Options
Packaging options, recorded purity, stock quantity and ship-from location below are generated from the current factory data table for this CAS.
- Pack sizes on record: 25g, 100g, 500g
- Available purity: ≥98%
- Inventory rows with stock: 2
- Bulk packaging: confirmed by inquiry
Available Pack Sizes & Stock
Specific stock quantities are shown below. Price is not displayed online and is confirmed by inquiry.
50-78-2 / 2-acetyloxybenzoic acid
Basic Information
CAS
50-78-2
Multi CAS
No
Molecular Formula
C9H8O4
Molecular Weight
180.160000
Exact Mass
180.042259
SMILES
CC(=O)OC1=CC=CC=C1C(=O)O
InChI
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
Physical Properties
Melting Point
275 °F (NTP, 1992)
138-140
135 °C (rapid heating)
135 °C
275 °F
Boiling Point
284 °F at 760 mmHg (decomposes) (NTP, 1992)
284 °F (decomposes)
284 °F (Decomposes)
Density
1.4 (NTP, 1992) - Denser than water; will sink
1.40
1.4 g/cm³
1.35
Physical Description
Acetylsalicylic acid appears as odorless white crystals or crystalline powder with a slightly bitter taste. (NTP, 1992)
Odorless, colorless to white, crystal-line powder. [aspirin] [Note: Develops the vinegar-like odor of acetic acid on contact with moisture.]
Solid
COLOURLESS-TO-WHITE CRYSTALS OR WHITE CRYSTALLINE POWDER WITH CHARACTERISTIC ODOUR.
Odorless, colorless to white, crystal-line powder.
Appearance
Monoclinic tablets or needle-like crystals
Colorless to white, crystalline powder.
State
Solid
Storage Conditions
STORAGE PRECAUTIONS: You should store this material under ambient temperatures and protect it from moisture. (NTP, 1992)
Computed Properties
Structural Parameters
Heavy atom count
13
Aromatic heavy atom count
6
Fraction Csp3
0.11
Rotatable bonds
2
H-bond acceptors
3
H-bond donors
1
Molar refractivity
44.71
TPSA
63.6
LogP / Solubility
WLOGP
1.31
MLOGP
1.15
XLogP3
1.2
Consensus LogP
1.22
Log S (ESOL)
-1.99
Class (ESOL)
Soluble
Log S (Ali)
-1.98
Class (Ali)
Soluble
Log S (SILICOS-IT)
-2.16
Class (SILICOS-IT)
Moderately soluble
ADME
GI absorption
High
BBB permeant
Yes
P-gp substrate
No
CYP1A2 inhibitor
No
CYP2C19 inhibitor
No
CYP2C9 inhibitor
No
CYP2D6 inhibitor
No
CYP3A4 inhibitor
No
Log Kp (skin permeation)
-2.89
Drug-likeness / Medicinal Chemistry
Lipinski
Yes
Ghose
No
Veber
Yes
Egan
Yes
Muegge
No
Bioavailability score
0.55
Brenk alerts
1
Leadlikeness
No
Synthetic Accessibility
1.5
Safety & Transport
Pictogram(s)
Irritant
Health Hazard
Signal
Warning
Danger
GHS Hazard Statements
H302 (95.6%): Harmful if swallowed [Warning Acute toxicity, oral]
H315 (20.6%): Causes skin irritation [Warning Skin corrosion/irritation]
H319 (22.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
H335 (20%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
Precautionary Statement Codes
P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501
P233, P260, P271, P273, P284, P304+P340, P342+P316, P403, and P501
P203, P233, P260, P264, P264+P265, P270, P271, P280, P284, P301+P317, P304+P340, P305+P351+P338, P308+P316, P318, P319, P321, P330, P337+P317, P342+P316, P403, P405, and P501
P203, P233, P260, P264, P264+P265, P270, P271, P280, P284, P301+P317, P304+P340, P305+P351+P338, P308+P316, P318, P319, P330, P332+P317, P337+P317, P342+P316, P403, P405, and P501
Applications of CAS 50-78-2
This compound is commonly used in pharmaceutical research and drug discovery, life science and biochemical research, biochemistry and reagent applications, laboratory reagent and synthesis applications, general chemistry research and laboratory applications. Starshine Chemical supplies CAS 50-78-2 for R&D and pilot-scale use, with flexible pack sizes and purity grades available.
Physical & Chemical Properties
| IUPAC Name | 2-acetyloxybenzoic acid |
Safety Information (GHS)
Pictogram(s): GHS07, GHS08. Signal word: Warning.
- H302 (95.6%): Harmful if swallowed [Warning Acute toxicity, oral]
- H315 (20.6%): Causes skin irritation [Warning Skin corrosion/irritation]
- H319 (22.2%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H335 (20%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
- H334: May cause allergy or asthma symptoms or breathing difficulties if inhaled [Danger Sensitization, respiratory]
- H412: Harmful to aquatic life with long lasting effects [Hazardous to the aquatic environment, long-term hazard]
- H302: Harmful if swallowed [Warning Acute toxicity, oral]
- H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
- H360: May damage fertility or the unborn child [Danger Reproductive toxicity]
- H370: Causes damage to organs [Danger Specific target organ toxicity, single exposure]
- H372: Causes damage to organs through prolonged or repeated exposure [Danger Specific target organ toxicity, repeated exposure]
- H316: Causes mild skin irritation [Warning Skin corrosion/irritation]
Precautionary statements: P261, P264, P264+P265, P270, P271, P280, P301+P317, P302+P352, P304+P340, P305+P351+P338, P319, P321, P330, P332+P317, P337+P317, P362+P364, P403+P233, P405, and P501 (click each P-code to see the statement)
Request the SDS (Safety Data Sheet) for full hazard and safety documentation.
Storage & Handling
Storage: Keep the container tightly closed in a cool, dry and well-ventilated place. For detailed hazard, storage and transport information, request the SDS (Safety Data Sheet) with your inquiry.
Quotation & Packaging
Prices are confirmed by inquiry. Request a quote for current pricing, minimum order quantity (MOQ) and lead time. The pack sizes listed on this page are reference options; custom pack sizes and bulk quantities are available on request.
Quality & Compliance
Specifications and purity shown on this page are based on batch records. A Certificate of Analysis (COA) is available on request. For research and further manufacturing use only — not for direct human or therapeutic use.
