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69-72-7

69-72-7 structural image
Product Name: Salicylic acid
Formula: C7H6O3
Synonyms: 2-Hydroxybenzoic acid;Acidum salicylicum;Salicylic Acid
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CHEMICAL AND PHYSICAL PROPERTIES

Physical Description Salicylic acid is an odorless white to light tan solid. Sinks and mixes slowly with water. (USCG, 1999)
Color/Form White crystals, fine needles, or fluffy white crystalline powder
Odor SYNTHETIC ACID IS ODORLESS
Taste Acrid taste
Boiling Point 211 °C at 2.00E+01 mm Hg
Melting Point 315 °F (USCG, 1999)
Flash Point 315 °F (157 °C) (closed cup)
Solubility 2240 mg/L (at 25 °C)
Density 1.44 at 68 °F (USCG, 1999) - Denser than water; will sink
Vapor Density 4.8 (Air= 1)
Vapor Pressure 0.000082 [mmHg]
LogP 2.26
LogS -1.82
Stability/Shelf Life GRADUALLY DISCOLORS IN SUNLIGHT
Autoignition Temperature 1004 °F (540 °C)
Decomposition When heated to decomp it emits acrid smoke and irritating fumes.
Corrosivity Non-corrosive
Heat of Combustion 3.026 millijoules/mole
pH pH of saturated solution: 2.4
Ionization Efficiency Negative
Refractive Index Index of refraction: 1.565 at 25 °C/D
Caco2 Permeability -4.79
Dissociation Constants 2.78
Collision Cross Section 123.36 Ų [M-H]- [CCS Type: DT, Method: stepped-field]
Kovats Retention Index 1308 1308 1330 1266 1277 1296 1305 1291 1263 1308 1330 1330
Other Experimental Properties Sublimes at 76 °C
Chemical Classes Other Classes -> Benzoic Acid Derivatives

SAFETY INFORMATION

Signal word Danger
Pictogram(s)

Corrosion
Corrosives
GHS05

Exclamation Mark
Irritant
GHS07

Health Hazard
GHS08
GHS Hazard Statements H302:Acute toxicity,oral
H318:Serious eye damage/eye irritation
Precautionary Statement Codes P202:Do not handle until all safety precautions have been read and understood.
P264:Wash hands thoroughly after handling.
P264:Wash skin thouroughly after handling.
P280:Wear protective gloves/protective clothing/eye protection/face protection.
P301+P312:IF SWALLOWED: call a POISON CENTER or doctor/physician IF you feel unwell.
P305+P351+P338:IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continuerinsing.
P308+P313:IF exposed or concerned: Get medical advice/attention.

COMPUTED DESCRIPTORS

Molecular Weight 138.12 g/mol
XLogP3 2.3
Hydrogen Bond Donor Count 2
Hydrogen Bond Acceptor Count 3
Rotatable Bond Count 1
Exact Mass 138.031694049 g/mol
Monoisotopic Mass 138.031694049 g/mol
Topological Polar Surface Area 57.5 Ų
Heavy Atom Count 10
Formal Charge 0
Complexity 133
Isotope Atom Count 0
Defined Atom Stereocenter Count 0
Undefined Atom Stereocenter Count 0
Defined Bond Stereocenter Count 0
Undefined Bond Stereocenter Count 0
Covalently-Bonded Unit Count 1
Compound Is Canonicalized Yes

PRODUCT INTRODUCTION

description

Salicylic acid is an odorless white to light tan solid. Sinks and mixes slowly with water. (USCG, 1999)

Uses

Salicylic acid is a medicated topical gel, cream, lotion or solution. It treats many skin disorders, such as acne, dandruff, psoriasis, seborrheic dermatitis of the skin and scalp, calluses, corns, common warts, and plantar warts, depending on the dosage form and strength of the preparation.

Adverse Effects

Although salicylic acid is considered safe overall, it may cause skin irritation when first starting. It may also remove too much oil, resulting in dryness and potential irritation.

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