Acids & Salts Available to Source

Citric Acid

CA
CAS 77-92-9 · MF C6H8O7 · MW 192.12 g/mol

A natural acidulant and pH adjuster commonly used in cosmetics, cleaning, and food preservation.

SDS / TDS Download
CAS Number
77-92-9
Molecular Formula
C6H8O7
Molecular Weight
192.12 g/mol
Material Family
Acids & Salts
Physical Properties
melting_point
307 u00b0F (anhydrous) (NTP, 1992)
boiling_point
Decomposes (NTP, 1992)
density
1.54 at 68 u00b0F (USCG, 1999) - Denser than water; will sink
solubility
greater than or equal to 100 mg/mL at 72 u00b0F (NTP, 1992)
flash_point
100 u00b0C
GHS / SDS Safety Warning
Irritant
  • H315: Causes skin irritation [Warning Skin corrosion/irritation]
  • H335: May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H319 (84.7%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H335 (23%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]
  • H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
  • H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]
Chemical Identity
CAS Number77-92-9
IUPAC Name2-hydroxypropane-1,2,3-tricarboxylic acid
InChI KeyKRKNYBCHXYNGOX-UHFFFAOYSA-N
PubChem CID 311
INCI NameCITRIC ACID
Synonyms & Trade Names
citric acid 2-hydroxypropane-1,2,3-tricarboxylic acid Citric acid, anhydrous Aciletten Anhydrous citric acid Citro Citretten Citric acid anhydrous Chemfill Hydrocerol A 1,2,3-Propanetricarboxylic acid, 2-hydroxy- 2-hydroxy-1,2,3-propanetricarboxylic acid Kyselina citronova 2-Hydroxytricarballylic acid beta-Hydroxytricarballylic acid
Full Description

A natural acidulant and pH adjuster commonly used in cosmetics, cleaning, and food preservation.