Molekula
Citric acid monohydrate
Citric acid monohydrate is a white crystalline powder used as a pH adjuster, chelating agent, and acidulant in food, pharmaceuticals, and industrial applications. It is available in high purity with a molecular weight of 210.14 g/mol and a CAS number of 5949-29-1. The compound is stored at ambient temperatures and carries a warning signal word due to potential irritation. Molekula supplies citric acid monohydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Citric acid monohydrate is a white crystalline powder used as a pH adjuster, chelating agent, and acidulant in food, pharmaceuticals, and industrial applications. It is available in high purity with a molecular weight of 210.14 g/mol and a CAS number of 5949-29-1. The compound is stored at ambient temperatures and carries a warning signal word due to potential irritation. Molekula supplies citric acid monohydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Specifications
| Property | Value |
|---|---|
| Appearance | White or almost white crystalline powder, colourless crystals/granules. |
| Water | 7.5 - 8.8% |
| Heavy metals | ≤ 5 mg/kg |
| Bacterial endotoxin | ≤ 0.5 IU/mg |
| Odour | Odourless |
| Chloride (Cl) | ≤ 5 mg/kg |
| Solubility | Very soluble in water. Freely soluble in ethanol. Very slightly soluble in diethyl ether. |
| Assay | 99.5 - 100.5% |
| Sulphated Ash | ≤ 0.05% |
| Appearance of Solution | Passes test |
| Readily Carbonisable Substances | Passes test |
| Lead (Pb) | ≤ 0.1 mg/kg |
| Mercury (Hg) | ≤ 0.1 mg/kg |
| Sulphate (SO4) | ≤ 50 mg/kg |
| Arsenic (As) | ≤ 0.1 mg/kg |
| aluminium (Al) | ≤ 0.2 mg/kg |
| Taste | Strongly acidic taste |
| Oxalate | ≤ 50 mg/kg |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| CAS Number | 5949-29-1 |
| Molecular Formula | HOC(COOH)(CH2COOH)2 · H2O |
| Molecular Weight | 210.14 |
| SMILES | C(C(=O)O)C(CC(=O)O)(C(=O)O)O.O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29181400 |
| Tariff Code | 2918140090 |
Safety & GHS
-
Explosive
GHS01
Hazard statements
- H315 Causes skin irritation
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
Precautionary statements
- P261 Avoid breathing dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P302+352 IF ON SKIN: Wash with soap and water
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
For research and industrial use only
Documents
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Pricing & pack sizes
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is citric acid monohydrate used for?
It is commonly used as a pH adjuster, chelating agent, and acidulant in food, pharmaceuticals, and cleaning products.
What is the chemical formula and molecular weight of citric acid monohydrate?
The formula is HOC(COOH)(CH2COOH)2 · H2O with a molecular weight of 210.14 g/mol.
How should citric acid monohydrate be stored?
It should be stored at ambient temperature, protected from moisture and heat.
What grade of citric acid monohydrate does Molekula supply?
We supply reagent grade citric acid monohydrate suitable for laboratory and industrial use.
Can Molekula supply citric acid monohydrate in bulk?
Yes, we offer bulk quantities for industrial and commercial applications—please contact us for pricing and availability.
What documentation comes with a purchase of citric acid monohydrate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.