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Salicylic acid

Name: Salicylic acid
SKU: 0

Basic Information

CAS No.: 69-72-7
Molecular Formula: C7H6O3
Molecular weight: 138.12

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Product Details

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

Property	Value
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

Property	Value
Hazard symbols	Xn, F
Hazard class codes	22-41-36/37/38-36-20/21/22-11
Safety descriptions	26-39-37/39-36-36/37-16
UN dangerous goods number	UN 1648 3 / PGII
WGK Germany	1
RTECS number	VO0525000
Autoignition temperature	500 °C
TSCA	TSCA listed
HS code	29182100
Storage class	11 - Combustible solids
Hazard class (category)	Acute toxicity, Category 4, Oral Serious eye damage, Category 1 Reproductive toxicity, Category 2
Hazardous substances data	69-72-7 (Hazardous Substances Data)
Toxicity	LD50 i.v. in mice: 500 mg/kg (Sota)

Product Usage

Salicylic acid is an organic acid widely used in cosmetics and pharmaceutical applications due to its excellent exfoliating and antibacterial properties. In skincare products, it can penetrate deep into pores to dissolve excess oil and dead skin cells, helping to prevent and reduce acne, blackheads, and blemishes. It is commonly found in cleansers, toners, and anti-acne serums. In the pharmaceutical field, salicylic acid is also used to treat hyperkeratotic skin conditions such as keratosis pilaris and dandruff. While highly effective, it should be used at appropriate concentrations to ensure safety and minimize irritation.

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Salicylic acid

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