Salicylic acid

Salicylic acid

CAS No.: 107-35-7
Molecular Formula: C7H6O3
Molecular weight: 138.12
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product description

Salicylic acid is an important organic synthetic raw material, widely used in medicine, pesticides, dyes, rubber, food and perfume fields. In the pharmaceutical industry, the main pharmaceutical products of salicylic acid are sodium salicylate, Holly oil (methyl salicylate), aspirin (acetylsalicylic acid), salicylic acid amine, phenyl salicylic acid. In the dye industry, it is used to produce mordant pure yellow, direct yellow 3GN, direct Yellow GR, direct Brown 3GN, acid mordant Brown G, acid mordant yellow GG, acid yellow complex dyes


Chemical Properties

PropertyValue

Melting point

158-161 °C(lit.)

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

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

PropertyValue
Hazard symbolsXn, F
Hazard class codes22-41-36/37/38-36-20/21/22-11
Safety descriptions26-39-37/39-36-36/37-16
UN dangerous goods numberUN 1648 3 / PGII
WGK Germany1
RTECS numberVO0525000
Autoignition temperature500 °C
TSCATSCA listed
HS code29182100
Storage class11 - Combustible solids
Hazard class (category)Acute toxicity, Category 4, Oral
Serious eye damage, Category 1
Reproductive toxicity, Category 2
Hazardous substances data69-72-7 (Hazardous Substances Data)
ToxicityLD50 i.v. in mice: 500 mg/kg (Sota)


Product Usage

Salicylic acid is a multifunctional beta-hydroxy acid (BHA) widely utilized for its keratolytic, anti-inflammatory, and preservative properties. Its most prominent application is in the cosmetic and dermo-pharmaceutical industry, where it serves as a gold-standard ingredient for treating acne, psoriasis, and dandruff by exfoliating dead skin cells and clearing clogged pores. In the pharmaceutical sector, it is a key precursor in the synthesis of acetylsalicylic acid (Aspirin) and various external analgesics for pain relief. Beyond healthcare, it has significant industrial applications as a preservative in food and timber, and as an intermediate in the production of dyes and perfumes. In agriculture, it is used as a plant signaling molecule to enhance systemic acquired resistance (SAR) against pathogens and environmental stress.

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FAQ

Q1:Does it support customized products?

A1:Yes, it does. Formulations can be adjusted and customized production can be carried out according to customer's industry needs and performance parameters.


Q2:Can samples be provided?

A2:We support free sample delivery and testing services to meet customers' early testing needs.


Q3:Is the product quality stable? 

A3:With full-process quality inspection and control, there are minimal batch differences, and the purity and stability strictly meet the standards.


Q4:What is the shipping cycle?

A4:For regular inventory, we offer quick delivery. For customized orders, we arrange production according to demand and ensure timely delivery.

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