Molekula
Histamine diphosphate
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
Histamine diphosphate is a histamine salt used in biochemical research and pharmaceutical development, particularly in receptor binding studies and allergy research. It is a white to off-white powder with a molecular weight of 307.14 g/mol, a molecular formula of C5H9N3•2H3PO4, and a CAS number of 51-74-1. Store at 2 to 8 °C. Hazard classification includes signal word Danger. Molekula supplies Histamine diphosphate 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
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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25 g — £143.90 per pack ex VAT · £172.68 inc. VAT
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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 | Solid |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Identification
| Property | Value |
|---|---|
| SKU | 13488706 |
| CAS Number | 51-74-1 |
| IUPAC Name | 2-(1H-imidazol-5-yl)ethanamine;phosphoric acid |
| EC Number | 200-118-4 |
| Molecular Formula | C5H9N3•2H3PO4 |
| Molecular Weight | 307.14 |
| Exact Mass | 307.0334 |
| SMILES | C1=C(NC=N1)CCN.OP(=O)(O)O.OP(=O)(O)O |
| InChIKey | ZHIBQGJKHVBLJJ-UHFFFAOYSA-N |
| InChI | InChI=1S/C5H9N3.2H3O4P/c6-2-1-5-3-7-4-8-5;2*1-5(2,3)4/h3-4H,1-2,6H2,(H,7,8);2*(H3,1,2,3,4) |
| PubChem CID | 65513 |
| REACH Code | Y110 |
| HTS Code | 2933.29.9000 |
| Tariff Code | 2933299090 |
Safety & GHS
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Corrosive
GHS05
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
Hazard statements
- H302 Harmful if swallowed
- H317 May cause an allergic skin reaction
- H318 Causes serious eye damage
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H335 May cause respiratory irritation
- H361 Suspected of damaging fertility or the unborn child
Precautionary statements
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+312 IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
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.
Synonyms
- 2-(1H-imidazol-5-yl)ethan-1-amine; bis(phosphoric acid)
- 4-(2-Aminoethyl)imidazole bis(dihydrogen phosphate)
- 4-(2-Aminoethyl)imidazole di-acid phosphate
- Histamine acid phosphate
- Histamine biphosphate
- Histamine dihydrogen phosphate
- Histamine phosphate
- Histamine phosphate (1:2)
- Histamine positive
- Histamine Positive Skin Test Control
Frequently asked questions
What is histamine diphosphate used for?
Histamine diphosphate is primarily used in biochemical research, particularly in studies involving histamine receptors and allergic responses.
What is the chemical formula and molecular weight of histamine diphosphate?
The formula is C5H9N3•2H3PO4 with a molecular weight of 307.14 g/mol.
How should histamine diphosphate be stored?
It should be stored at 2 to 8 °C to maintain stability and prevent degradation.
What grade of histamine diphosphate is available?
Molekula supplies histamine diphosphate in research grade, suitable for laboratory use.
Can Molekula supply histamine diphosphate in bulk?
Yes, Molekula can provide histamine diphosphate in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a purchase of histamine diphosphate?
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.