Salicylic acidCAS#69-72-7

Boiling point 

211 °C(lit.)

density 

1.44

bulk density

400-500kg/m3

vapor density 

4.8 (vs air)

vapor pressure 

1 mm Hg ( 114 °C)

refractive index 

1,565

FEMA 

3985 | 2-HYDROXYBENZOIC ACID

Fp 

157 °C

storage temp. 

2-8°C

solubility 

ethanol: 1 M at 20 °C, clear, colorless

pka

2.98(at 25℃)

form 

Solid

color 

White to off-white

PH Range

Non0 uorescence (2.5) to dark blue 0 uorescence (4.0)

Odor

at 100.00 %. faint phenolic nutty

PH

3.21(1 mM solution);2.57(10 mM solution);2.02(100 mM solution);

Odor Type

nutty

biological source

synthetic

Water Solubility 

1.8 g/L (20 ºC)

Sensitive 

Light Sensitive

λmax

210nm, 234nm, 303nm

Merck 

14,8332

JECFA Number

958

Sublimation 

70 ºC

BRN 

774890

Stability:

Stable. Substances to be avoided include oxidizing agents, strong bases, iodine, fluorine. Combustible. Sensitive to light.

Major Application

Semiconductors, nanoparticles, photoresists, lubricating oils, UV absorbers, adhesive, leather, cleaner, hair dye, soaps, cosmetics, pain medication, analgesics, antibacterial agent, treatment of dandruff, hyperpigmented skin, tinea pedis, onychomycosis, osteoporosis, beriberi, fungicidal skin disease, autoimmune disease

Cosmetics Ingredients Functions

HAIR CONDITIONING
ANTI-SEBORRHEIC
FRAGRANCE
SKIN CONDITIONING
PRESERVATIVE
KERATOLYTIC

InChIKey

YGSDEFSMJLZEOE-UHFFFAOYSA-N

LogP

2.01

CAS DataBase Reference

69-72-7(CAS DataBase Reference)

NIST Chemistry Reference

Benzoic acid, 2-hydroxy-(69-72-7)

EPA Substance Registry System

Salicylic acid (69-72-7)

Safety Information

Risk Statements 

22-41-36/37/38-36-20/21/22-11

Safety Statements 

26-39-37/39-36-36/37-16

RIDADR 

UN 1648 3 / PGII

WGK Germany 

1

RTECS 

VO0525000

Autoignition Temperature

500 °C

TSCA 

TSCA listed

HS Code 

29182100

Hazardous Substances Data

69-72-7(Hazardous Substances Data)

Toxicity

LD50 i.v. in mice: 500 mg/kg (Sota)