Molekula
L-Histidine monohydrochloride monohydrate EP Grade
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
L-Histidine monohydrochloride monohydrate EP Grade is an essential amino acid derivative used in pharmaceuticals, nutritional supplements, and biochemical research for its role in protein synthesis, histamine production, and metal ion chelation. This European Pharmacopoeia (EP)-compliant grade meets strict purity standards for critical applications. CAS 5934-29-2, molecular formula C6H9N3O2·HCl·H2O, molecular weight 209.63 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies L-Histidine monohydrochloride monohydrate EP Grade from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
L-Histidine monohydrochloride monohydrate EP Grade is an essential amino acid derivative used in pharmaceuticals, nutritional supplements, and biochemical research for its role in protein synthesis, histamine production, and metal ion chelation. This European Pharmacopoeia (EP)-compliant grade meets strict purity standards for critical applications. CAS 5934-29-2, molecular formula C6H9N3O2·HCl·H2O, molecular weight 209.63 g/mol. Store at ambient conditions. Signal word: Warning. Molekula supplies L-Histidine monohydrochloride monohydrate EP Grade from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Pricing on request — packs available from research to bulk quantities.
Need a different quantity or pack?
Tell us the quantity you actually need — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price, usually within one working day.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White or almost white crystalline powder or colourless crystal. |
| Specific rotation | +9.2° ~ +10.6° |
| Identification | Meets requirement |
| pH | 3.0 - 5.0 |
| Loss on Drying | 7.0-10.0% |
| Assay | 98.5% ~ 101.0% |
| Residue on Ignition | ≤0.1% |
| Appearance of Solution | Solution is clear and not more intensely coloured than reference solution BY6 |
| Heavy Metals (Pb) | ≤10ppm |
| Iron (Fe) | ≤10ppm |
| Ammonium (NH4+) | ≤200ppm |
| Sulphates (SO4)(2-) | ≤300ppm |
| Ninhydrin-positive substances | ≤0.5% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 90035801 |
| CAS Number | 5934-29-2 |
| Molecular Formula | C6H9N3O2 · HCl · H2O |
| Molecular Weight | 209.63 |
| SMILES | Cl.O=C(O)C(N)CC1=CN=CN1.O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29332990 |
| Tariff Code | 2933299090 |
Safety & GHS
-
Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- 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 L-Histidine monohydrochloride monohydrate used for?
It is primarily used in pharmaceuticals, nutritional supplements, and as a raw material in the synthesis of histidine-containing peptides and proteins.
What is the chemical formula and molecular weight?
The formula is **C6H9N3O2 · HCl · H2O**, and the molecular weight is **209.63 g/mol**.
How should L-Histidine monohydrochloride monohydrate be stored?
Store at ambient temperature in a dry, well-ventilated area, away from incompatible substances.
What grade of L-Histidine monohydrochloride monohydrate does Molekula supply?
Molekula supplies this product in **EP (European Pharmacopoeia) Grade**, meeting strict pharmaceutical standards.
Can Molekula supply L-Histidine monohydrochloride monohydrate in bulk?
Yes, Molekula can provide bulk quantities upon request, with flexible packaging options.
What documentation comes with an order of L-Histidine monohydrochloride monohydrate?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, 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.