Molekula
Sodium dihydrogen citrate anhydrous
Sodium dihydrogen citrate anhydrous is a sodium salt of citric acid used as a pH adjuster and buffer in pharmaceuticals, food, and industrial applications. It is a white, crystalline powder with a molecular weight of 214.11 g/mol, a CAS number of 18996-35-5, and a molecular formula of HOC(COONa)(CH2COOH)2. It is stable at ambient storage conditions and carries a warning signal word. Molekula supplies Sodium dihydrogen citrate anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Overview
Sodium dihydrogen citrate anhydrous is a sodium salt of citric acid used as a pH adjuster and buffer in pharmaceuticals, food, and industrial applications. It is a white, crystalline powder with a molecular weight of 214.11 g/mol, a CAS number of 18996-35-5, and a molecular formula of HOC(COONa)(CH2COOH)2. It is stable at ambient storage conditions and carries a warning signal word. Molekula supplies Sodium dihydrogen citrate anhydrous from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Pricing & pack sizes
Specifications
| Property | Value |
|---|---|
| Appearance | White crystalline powder |
| Heavy metals | ≤5ppm |
| Identification | Conforms to reference |
| pH | 3.5 - 4.0 |
| Loss on Drying | ≤0.4% |
| Assay | 99 - 101% |
| Sulphate | ≤150ppm |
| Oxalates | ≤100ppm |
| Lead (Pb) | ≤2ppm |
| Arsenic (As) | ≤1ppm |
| Chloride (Cl): | ≤50ppm |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Shelf Life | 24 months |
| Acidity | Acid |
Identification
| Property | Value |
|---|---|
| SKU | 11207603 |
| CAS Number | 18996-35-5 |
| Molecular Formula | HOC(COONa)(CH2COOH)2 |
| Molecular Weight | 214.11 |
| SMILES | [Na].O=C(O)CC(O)(C(=O)O)CC(=O)O |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29181510 |
| Tariff Code | 2918150090 |
Safety & GHS
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Health Hazard
GHS07
Hazard statements
- H319 Causes serious eye irritation
Precautionary statements
- P232 Protect from moisture
- 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
For research and industrial use only
Documents
Safety Data Sheets (SDS)
Available in IT, FR, ES, DE, EN.
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IT - (11207603) SODIUM DIHYDROGEN CITRATE ANHYDROUS [18996-35-5].pdf
SDS · IT · 201 KB
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FR - (11207603) SODIUM DIHYDROGEN CITRATE ANHYDROUS [18996-35-5].pdf
SDS · FR · 204 KB
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ES - (11207603) SODIUM DIHYDROGEN CITRATE ANHYDROUS [18996-35-5].pdf
SDS · ES · 206 KB
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DE - (11207603) SODIUM DIHYDROGEN CITRATE ANHYDROUS [18996-35-5].pdf
SDS · DE · 203 KB
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EN - (11207603) SODIUM DIHYDROGEN CITRATE ANHYDROUS [18996-35-5].pdf
SDS · EN · 202 KB
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 sodium dihydrogen citrate anhydrous used for?
It is commonly used as a pH adjuster and buffer in pharmaceuticals, food, and beverage formulations.
What is the chemical formula and molecular weight?
The formula is HOC(COONa)(CH2COOH)2 with a molecular weight of 214.11 g/mol.
How should sodium dihydrogen citrate anhydrous be stored?
It should be stored at ambient temperature, protected from moisture and heat.
What grade is available?
Available in reagent grade; custom grades may be available upon request.
Can Molekula supply it in bulk?
Yes, bulk quantities are available—please contact our sales team for pricing and availability.
What documentation comes with the order?
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.