Citric acid Monohydrate
Chemical Name Citric acid monohydrate
CAS No. 5949-29-1
Appearance White Solid
Molecular Formula C6H10O8
Molecular weight 210.1388
Sample Available
Products Description of Citric acid monohydrate CAS#5949-29-1
Citric acid monohydrate industrial grade has a purity of no less than 99.5%, appearing as combustible white crystalline powder with no odor. Its melting point ranges from 135 to 152℃, boiling point is 309.6℃. Vapor pressure is below 1Pa at 25℃, relative density is 1.54 at 20℃. It dissolves 1630g per liter in water at 20℃, soluble in ethanol and slightly soluble in ether. The product is stable and should be kept away from strong oxidizing agents.
Parameters
| Property | Value |
| Melting point | 135 °C |
| Boiling point | 56 °C760 mm Hg(lit.) |
| bulk density | 800-1000kg/m3 |
| density | 0.791 g/mL at 25 °C(lit.) |
| vapor density | 2 (vs air) |
| vapor pressure | 184 mm Hg ( 20 °C) |
| refractive index | n20/D 1.359(lit.) |
| Fp | 1 °F |
| storage temp. | no restrictions. |
| solubility | Citric Acid Monohydrate is very soluble in water, freely soluble in ethanol and sparingly soluble in ether. |
| pka | 3.138, 4.76, 6.401 |
| form | Solid |
| color | White |
| Specific Gravity | 0.810 (20/4℃) |
| Odor | Typical, practically odorless |
| PH | 1.85 (50g/l, H2O, 25℃) |
| Water Solubility | 1630 g/L (20 oC) ;H2O: soluble 54% (w/w) at 10°C (Citric acid in water) |
| Sensitive | Hygroscopic |
| Merck | 14,2326 |
| BRN | 4018641 |
| Stability: | Stable. Incompatible with oxidizing agents, bases, reducing agents, nitrates. |
| InChIKey | YASYEJJMZJALEJ-UHFFFAOYSA-N |
| CAS DataBase Reference | 5949-29-1(CAS DataBase Reference) |
| NIST Chemistry Reference | Citric acid monohydrate(5949-29-1) |
| EPA Substance Registry System | 1,2,3-Propanetricarboxylic acid, 2-hydroxy-, hydrate (1:1) (5949-29-1) |
Safety Information
| Item | Value |
| Hazard Codes | F,Xi |
| Risk Statements | 11-36-66-67-41-36/37/38-37/38 |
| Safety Statements | 9-16-26-37/39-36/37/39-36 |
| RIDADR | UN 1090 3/PG 2 |
| WGK Germany | 1 |
| RTECS | AL3150000 |
| TSCA | Yes |
| HS Code | 29181400 |
| Toxicity | LD50 orally in Rabbit: 3000 mg/kg |
Product Application of Citric acid monohydrate CAS#5949-29-1
Citric Acid Monohydrate is a tricarboxylic acid naturally present in citrus fruits. It serves as an excipient in pharmaceutical formulations thanks to its antioxidant effect. It helps preserve active ingredients and works as a preservative. It also acts as an acidulant to adjust pH levels and functions as an anticoagulant by binding calcium in blood. Moreover, it is widely used as an acidulant, food additive and synergist in antioxidant blends.
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