Antimony potassium tartrate trihydrate
Also known as: Potassium antimonyl tartrate trihydrate, Potassium antimony tartrate, Antimony potassium tartrate, Tartar emetic, Antimonyl potassium tartrate trihydrate, dipotassium bis[μ-tartrato(4-)]diantimonate(2-) trihydrate
Antimony potassium tartrate trihydrate (CAS 28300-74-5) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C8H4O12Sb2.3H2O.2K and a molecular weight of 667.87 g/mol. Key properties include a melting point of 332-335 ºC and a density of 2,607 g/cm3. It is classified under GHS with signal word Warning and hazard statements H302 — Harmful if swallowed, H332 — Harmful if inhaled and H411 — Toxic to aquatic life with long lasting effects. It is listed by 1 supplier, from 0.40 to 4.36 CNY. Record last updated Aug 21, 2026.
- CAS No.
- 28300-74-5
- Jingsj CID
- J-1991062-8
- Molecular Formula
- C8H4O12Sb23H2O2K
- Molecular Weight
- 667.87 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
In Stock | GR 500g | ¥200.00 | $0.06 /gBest ¥0.40/g CNY | CN China MOQ 500g | |
In Stock | ACS, ≥99% 500g | ¥285.00 | $0.09 /g ¥0.57/g CNY | CN China MOQ 500g | |
In Stock | 99.99% metals basis 100g | ¥280.00 | $0.42 /g ¥2.80/g CNY | CN China MOQ 100g |
Physicochemical Properties
| Melting Point | 332-335 ºC |
|---|---|
| Density | 2,607 g/cm3 |
| PSA | 151.35000 |
| Additional Property | 8.3 g/100 mL |
GHS Safety & Compliance
- H302 — Harmful if swallowed
- H332 — Harmful if inhaled
- H411 — Toxic to aquatic life with long lasting effects
Frequently Asked Questions
What is the CAS number of Antimony potassium tartrate trihydrate?
The CAS number of Antimony potassium tartrate trihydrate is 28300-74-5.
What are the molecular formula and molecular weight of Antimony potassium tartrate trihydrate?
Antimony potassium tartrate trihydrate has molecular formula C8H4O12Sb2.3H2O.2K and molecular weight 667.87 g/mol.
Which suppliers offer Antimony potassium tartrate trihydrate?
1 supplier(s) listed; reference unit price ¥0.40–4.36 /g.
Is Antimony potassium tartrate trihydrate hazardous?
Antimony potassium tartrate trihydrate has GHS signal word Warning and hazard statements H302 — Harmful if swallowed; H332 — Harmful if inhaled; H411 — Toxic to aquatic life with long lasting effects.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Antimony potassium tartrate trihydrate (CAS 28300-74-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1991062-8 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.