Molekula
Citric acid monohydrate 99.5-100.5%
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
Citric acid monohydrate (CAS 5949-29-1) is a weak organic acid derived from citrus fruits, widely used in food and beverage production as a preservative, flavoring agent, and pH regulator. It also serves in pharmaceuticals, cleaning products, and water treatment. This high-purity grade (99.5–100.5%) has the molecular formula HOC(COOH)(CH₂COOH)₂·H₂O and a molecular weight of 210.14. Store at ambient conditions. Signal word: Warning. Molekula supplies citric acid monohydrate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
Pack sizes & pricing
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | Colourless crystals or granulars, white crystalline powders. |
| Heavy metals | ≤5ppm |
| Identification | Passes test |
| Chloride (Cl-) | ≤50ppm |
| Assay | ≥99.5-100.5% |
| Sulphated Ash | ≤0.05% |
| Particle Size | 8-80 mesh |
| Moisture | ≤8.8% |
| Light Transmittance | ≥95.0% |
| Organic Volatile Impurities | Passes test |
| Water insoluble matter | Passes test |
| Bacterial endotoxins | ≤0.5IU/mg |
| Readily Carbonisable Substances | Not exceeding standard |
| Iron (Fe) | ≤5ppm |
| Clarity and colour of solution | Passes test |
| Lead (Pb) | ≤0.5% |
| Mercury (Hg) | ≤1ppm |
| Arsenic (As) | ≤1ppm |
| Calcium (Ca) | ≤200ppm |
| Aluminium (Al) | ≤0.2ppm |
| Sulphates (SO4)(2-) | ≤150ppm |
| Oxalate (Oxalic acid) | ≤100ppm |
| Tridodecylamine | Passes test |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90033207 |
| 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
-
Health Hazard
GHS07
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
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
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.
Synonyms
No alternate names recorded for this product.
Frequently asked questions
What is citric acid monohydrate commonly used for?
Citric acid monohydrate is widely used in food and beverage industries as a preservative, flavoring agent, and pH adjuster; it’s also utilized in pharmaceuticals, cleaning products, and as a chelating agent in water treatment.
What is the chemical formula and molecular weight of citric acid monohydrate?
The formula is **HOC(COOH)(CH₂COOH)₂ · H₂O** and the molecular weight is **210.14 g/mol**.
How should citric acid monohydrate be stored?
Store in a tightly sealed container at **ambient temperature**, away from moisture and strong oxidizing agents.
What purity grade is available for citric acid monohydrate?
Molekula supplies citric acid monohydrate at **99.5–100.5% purity** (analytical/pharmaceutical grade).
Can Molekula supply citric acid monohydrate in bulk quantities?
Yes, bulk quantities are available upon request—minimum order quantities and packaging options vary by application.
What documentation is provided with an order of citric acid monohydrate?
Each order includes a **Certificate of Analysis (CoA)**, Safety Data Sheet (SDS), and batch-specific documentation for traceability.
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.