Citric acid
Diverse Functional Applications: Suitable for food preservation applications, pharmaceutical formulations, industrial cleaning systems, and cosmetic products.
Quality Compliance: Conforms to pharmacopoeial standards including USP, FCC, and BP specifications, consistent with international quality requirements.
Packaging Adaptability: Provided in industrial-scale containers or customized packaging configurations to accommodate varied operational requirements.
Solubility Characteristics: Demonstrates complete miscibility with aqueous and ethanolic systems, enhancing formulation versatility across applications.
This high-purity organic compound demonstrates suitability for multiple applications including food preservation systems, pharmaceutical additives, industrial cleaning formulations, and cosmetic products. The material complies with international pharmacopoeial standards (USP/FCC/BP) and is available in both bulk quantities and customized packaging configurations. Supporting Certificate of Analysis documentation accompanies each shipment upon request.
Melting point | 153-159 °C (lit.) |
Boiling point | 248.08°C (rough estimate) |
density | 1.67 g/cm3 at 20 °C |
bulk density | 560kg/m3 |
vapor density | 7.26 (vs air) |
vapor pressure | <0.1 hPa (20 °C) |
refractive index | 1.493~1.509 |
FEMA | 2306 | CITRIC ACID |
Fp | 100 °C |
storage temp. | 2-8°C |
solubility | Citric acid also dissolves in absolute (anhydrous) ethanol (76 parts of citric acid per 100 parts of ethanol) at 15 °C. |
form | grit |
pka | 3.14(at 20℃) |
color | White |
PH | 3.24(1 mM solution);2.62(10 mM solution);2.08(100 mM solution); |
Odor | Odorless |
biological source | synthetic |
Odor Type | odorless |
explosive limit | 8%, 65°F |
Water Solubility | soluble in Water (1174g/L at 10°C, 1809g/L at 30°C, 3825g/L at 80°C). |
Sensitive | Hygroscopic |
λmax | λ: 260 nm Amax: 0.20 |
Merck | 14,2326 |
JECFA Number | 218 |
BRN | 782061 |
Stability: | Stable. Incompatible with bases, strong oxidizing agents, reducing agents, metal nitrates. |
InChIKey | KRKNYBCHXYNGOX-UHFFFAOYSA-N |
LogP | -1.64 |
CAS DataBase Reference | 77-92-9(CAS DataBase Reference) |
NIST Chemistry Reference | 1,2,3-Propanetricarboxylic acid, 2-hydroxy-(77-92-9) |
EPA Substance Registry System | Citric acid (77-92-9) |
Safety Information
Hazard Codes | Xi,C,T |
Risk Statements | 41-36/37/38-36/38-37/38-34-36-35-61-60 |
Safety Statements | 26-39-37/39-24/25-36/37/39-45-36-53 |
RIDADR | UN 1789 8/PG 3 |
WGK Germany | 1 |
RTECS | GE7350000 |
F | 9 |
TSCA | Yes |
HS Code | 2918 14 00 |
Hazardous Substances Data | 77-92-9(Hazardous Substances Data) |
Toxicity | LD50 in mice, rats (mmol/kg): 5.0, 4.6 i.p. (Gruber, Halbeisen) |
