Molekula
Citric Acid Anhydrous - Ph. EUr, BP
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 anhydrous is a naturally occurring organic acid found in citrus fruits, widely used as a preservative, flavoring agent, and pH regulator in food, beverages, and pharmaceuticals. It also functions as a chelating agent, water softener, and cleaning agent in industrial applications. This chemical has a CAS number of 77-92-9, molecular formula HOC(COOH)(CH2COOH)2, and a molecular weight of 192.12 g/mol. It meets Ph. Eur and BP standards and is stored at ambient conditions. The product carries a warning signal word due to its moderate hazard profile. Molekula supplies Citric Acid Anhydrous 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 | White rime grain |
| Water | ≤1.0% |
| Heavy metals | ≤10ppm |
| Identification | Conforms to structure |
| Solubility | Passes test |
| Assay | 99.5 - 101.0% |
| Sulphated Ash | ≤0.1% |
| Bacterial endotoxins | ≤0.51 U/mg |
| Readily Carbonisable Substances | Passes test |
| Clarity and colour of solution | Passes test |
| Aluminium (Al) | ≤0.2ppm |
| Sulphates (SO4)(2-) | ≤150ppm |
| Oxalate (Oxalic acid) | ≤350ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90037002 |
| CAS Number | 77-92-9 |
| Molecular Formula | HOC(COOH)(CH2COOH)2 |
| Molecular Weight | 192.12 |
| SMILES | C(C(=O)O)C(CC(=O)O)(C(=O)O)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29181400 |
| Tariff Code | 2918140090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- USH01 May form combustible dust concentrations in air
Precautionary statements
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- 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
- P337+313 If eye irritation persists get medical advice/attention
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 anhydrous used for in pharmaceutical applications?
Citric acid anhydrous (Ph. Eur, BP grade) is primarily used as an acidifier, preservative, chelating agent, and flavoring agent in pharmaceutical formulations, including effervescent tablets, syrups, and oral solutions.
What is the molecular formula and molecular weight of citric acid anhydrous?
The molecular formula is **HOC(COOH)(CH₂COOH)₂**, and the molecular weight is **192.12 g/mol**.
How should citric acid anhydrous be stored?
Store in a cool, dry place at ambient temperature, away from moisture and strong oxidizing agents, in a tightly sealed container.
What pharmaceutical grades of citric acid does Molekula supply?
Molekula supplies **Ph. Eur (European Pharmacopoeia) and BP (British Pharmacopoeia) grades** of citric acid anhydrous, meeting strict purity and quality standards for pharmaceutical use.
Can Molekula supply citric acid anhydrous in bulk quantities?
Yes, Molekula can supply citric acid anhydrous in bulk, with quantities tailored to your production needs—contact us for pricing and lead times.
What documentation comes with a citric acid anhydrous order?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS/SDS)**, and **Batch-specific documentation** confirming compliance with Ph. Eur and BP standards.
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.