Citric acid CAS#77-92-9

Citric acid CAS#77-92-9

Basic Information

Natural Component: Anhydrous citric acid is a naturally occurring substance and an intermediate product in the physiological metabolism of both animals and plants.


Wide Applications: It is one of the most widely used organic acids in the food, pharmaceutical, and chemical industries due to its versatility.


Physical Properties: The product is a colorless, transparent or translucent crystal, which can also exist as granular or microparticle powder. It is odorless with a strong, pleasant sour taste and a slightly astringent aftertaste.


Environmental Sensitivity: Anhydrous citric acid gradually weathers in warm air and is slightly deliquescent in humid environments, indicating its sensitivity to moisture.



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product description

Product Description of Citric Acid CAS#77-92-9

Anhydrous citric acid is a naturally occurring compound and an intermediate product in the physiological metabolism of both animals and plants. It is one of the most widely used organic acids in the food, pharmaceutical, and chemical industries. This product appears as a colorless, transparent or translucent crystal, and can also be found in granular or microparticle powder form. It is odorless with a strong sour taste, yet pleasant, leaving a slightly astringent aftertaste. Anhydrous citric acid is prone to gradual weathering in warm air and is slightly deliquescent in humid conditions.


Product Application of Citric Acid CAS#77-92-9

Acidity regulator; proteomics; flavors and fragrances; organic acids; food additives; additives; Chinese medicine reference substances; analytical standards; plant extracts; acidulants; citric acid monohydrate; organic chemical raw materials; Chinese Pharmacopoeia test solution; organic raw materials; flavoring agents.


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Product Information

Parameters


Melting point153-159 °C (lit.)
Boiling point248.08°C (rough estimate)
density1.67 g/cm3 at 20 °C
bulk density560kg/m3
vapor density7.26 (vs air)
vapor pressure<0.1 hPa (20 °C)
refractive index1.493~1.509
FEMA2306 | CITRIC ACID
Fp100 °C
storage temp.2-8°C
solubilityCitric acid also dissolves in absolute (anhydrous) ethanol (76 parts of citric acid per 100 parts of ethanol) at 15 °C.
formgrit
pka3.14(at 20℃)
colorWhite
PH3.24(1 mM solution);2.62(10 mM solution);2.08(100 mM solution);
OdorOdorless
biological sourcesynthetic
Odor Typeodorless
explosive limit8%, 65°F
soluble in Water (1174g/L at 10°C, 1809g/L at 30°C, 3825g/L at 80°C).
SensitiveHygroscopic
λmaxλ: 260 nm Amax: 0.20

λ: 280 nm Amax: 0.10
Merck142326
JECFA Numbr218
BRN782061
Stability:Stable. Incompatible with bases, strong oxidizing agents, reducing agents, metal nitrates.
InChIKeyKRKNYBCHXYNGOX-UHFFFAOYSA-N
LogP-1.64
CAS DataBase Reference77-92-9(CAS DataBase Reference)
NIST Chemisty Reference1,2,3-Propanetricarboxylic acid, 2-hydroxy-(77-92-9)
EPA Substance Registry SystemCitric acid (77-92-9)


Safety Information


Hazard CodesXi,C,T
Risk Statements41-36/37/38-36/38-37/38-34-36-35-61-60
Safety Statements26-39-37/39-24/25-36/37/39-45-36-53
RIDADRUN 1789 8/PG 3
WGK Germany1
RTECSGE7350000
F9
TSCAYes
HS Code2918 14 00
Hazardous Substances Data77-92-9(Hazardous Substances Data)
ToxicityLD50 in mice, rats (mmol/kg): 5.0, 4.6 i.p. (Gruber, Halbeisen)


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FAQ

1. What kind of company is Bohai New Materials?
Bohai New Materials (Tianjin) Co., Ltd. is a foreign trade company specializing in the international trade of chemical products, located in the Binhai New Area of ​​Tianjin. Leveraging the strategic location of Tianjin Port, the company provides one-stop procurement and export services to global clients for a wide range of products, including plastic resins, basic chemical raw materials, fine chemicals, chemical fiber raw materials, and inorganic chemicals.


2. Which markets does the company serve?
Our products are primarily exported to Southeast Asia (Vietnam, Thailand, Indonesia, Malaysia), the Middle East (UAE, Saudi Arabia), Africa (Nigeria, Kenya), as well as Europe and the Americas.


3. Does the company have the qualifications to export hazardous chemicals?
Yes. We hold a valid license for the operation of hazardous chemicals and are well-versed in the export declaration, packaging, documentation, and transportation requirements for various types of hazardous goods. We are capable of handling the export of Class 3, Class 5, Class 8, and Class 9 hazardous chemicals.


4. What are the company's main products?
Our core product portfolio includes:
Plastic resins: PP, PE, PVC, ABS, PC, POM, etc.
Basic chemical raw materials: Soda ash, caustic soda, titanium dioxide, methanol, styrene, ethylene glycol, PTA, etc.
Fine chemicals: Pharmaceutical intermediates, pesticide intermediates, chemical additives, solvents, surfactants.
Chemical fiber raw materials: Polyester filament, polyester staple fiber, polyester chips (PET).
Inorganic chemicals: Calcium carbonate, talc powder, sodium sulfate, calcium chloride, magnesium chloride, etc.
Others: Paraffin wax, white oil, petroleum jelly (Vaseline), rubber, water treatment chemicals, etc.
If you have specific product requirements, please feel free to contact us; we will quickly source high-quality products to meet your needs.


5. How can I obtain a product quote? What information is required?
You can contact us via our official website, by phone, or by email. To ensure a quick and accurate quote, please provide the following details: product name and specifications, target purchase quantity, destination port, and desired delivery time. Please also inform us of any special packaging or testing requirements.

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