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Home> Encyclopedia > Hot Product Listed 4   > 4'-Hydroxyacetophenone
99-93-4 structure

4'-Hydroxyacetophenone

CAS No.:99-93-4
EINECS(EC#): 202-802-8
Molecular Weight:136.14792
Molecular Formula:C8H8O2 (isomer)
Properties
Appearance
White Crystal
Density
1.109
Melting Point
107-111℃
Boiling Point
147-148℃ (3 mmHg)
Refractive Index
1.55773 (109 C)
Flash Point
166℃
Solubility
methanol: 0.1 g/mL, clear
Stability
Stable under normal temperatures and pressures.
HS Code
29145000
Storage temp
Store in a tightly closed container. Store in a cool, dry, well-ventilated area away from incompatible substances.
Safety and Handling
Hazard Codes
Xn
Risk Statements
R22;R36/37/38
Safety Statements
S26;S37/39
Safety

Safety Information of 4'-Hydroxyacetophenone (CAS NO.99-93-4):
Hazard Codes: XnHarmful,XiIrritant
Risk Statements: 36/37/38-22??
R36/37/38:Irritating to eyes, respiratory system and skin.?
R22:Harmful if swallowed.
Safety Statements: 26-36/37-37/39-24/25-22-36
S26: In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.?
S36/37:Wear suitable protective clothing and gloves.?
S37/39:Wear suitable gloves and eye/face protection.?
S24/25:Avoid contact with skin and eyes.?
S22:Do not breathe dust.?
S36:Wear suitable protective clothing.
WGK Germany: 3
RTECS: PC4959775
Hazard Note: Irritant
HS Code: 29145000

Toxicity
1. ???

orl-mus LD50:1500?mg/kg

??? MEXPAG ?? Medicina Experimentalis. 11 (1964),137.
2. ???

ipr-mus LD50:200?mg/kg

??? NTIS** ?? National Technical Information Service. (Springfield, VA 22161) (Formerly U.S. Clearinghouse for Scientific and Technical Information) AD277-689 .
Specification

?4'-Hydroxyacetophenone , its CAS NO. is 99-93-4, the synonyms are 1-(4-Hydroxyphenyl)ethanone ; 4-Acetylphenol ; 4-Hydroksyacetofenol ; Acetophenone, 4'-hydroxy- ; Acetophenone, p-hydroxy- ; Methyl p-hydroxyphenyl ketone ; Phenol, p-acetyl- ; Piceol ; p-Acetylphenol ; p-Hydroxyacetophenone ; p-Hydroxyphenyl methyl ketone ; p-Oxyacetophenone .

Report

Reported in EPA TSCA Inventory.

MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Eye irritation, Category 2

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 3

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H319 Causes serious eye irritation

H412 Harmful to aquatic life with long lasting effects

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P273 Avoid release to the environment.

Response

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

Storage

none

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

Precursor and Product
Computational chemical data
  • Molecular Weight:136.14792g/mol
  • Molecular Formula:C8H8O2
  • XLogP3-AA:1.4
  • Exact Mass:136.05243
  • Monoisotopic Mass:136.05243
  • Complexity:123
  • Rotatable Bond Count:1
  • Hydrogen Bond Donor Count:1
  • Hydrogen Bond Acceptor Count:2
  • Topological Polar Surface Area:37.3
  • Heavy Atom Count:10
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:0
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:1
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