Potassium Bitartrate (Cream of Tartar, E336)とは？用途・使用量・代替品・規格
最終更新: 2026-11-14 · CAS 868-14-4 · 食品グレード
- 概要
- 名称
- Potassium Bitartrate (Cream of Tartar, E336)
- CAS 番号
- 868-14-4
- グレード
- 食品グレード
- 認証
- ISO 9001 · ISO 22000 · HACCP · FAMI-QS · Kosher · Halal · GMP · SGS
- 用途分野
- 2
- 書類
- COA · TDS · SDS
概要
Potassium bitartrate is the monopotassium salt of tartaric acid, a natural crystalline precipitate formed during wine fermentation, commonly known as cream of tartar. As an organic acid salt, it has extensive applications in the food industry. Basic Information: Chinese Name:
CAS Number: 868–14–4
EINECS Number: 212–769–1
用途
Comparison with Other Tartrates
Comparison Dimension
Selection Guidance
Baked Goods Leavening: Prioritize potassium bitartrate; compared to other acidic leavening agents, it provides gentler gas production and better…
規格
| Parameter | Specification |
|---|---|
| Test Method | |
| 外観 | White crystalline powder |
| Visual | |
| Potassium Bitartrate Content (dry basis), w/% | ≥ 99.0 |
| Titration | |
| Loss on Drying, w/% | ≤ 0.5 |
| Dried at 105°C | |
| pH (1% solution) | 3.5–4.0 |
| pH meter | |
| Arsenic (As), mg/kg | ≤ 3 |
| Atomic fluorescence/Arsenic spot test | |
| Heavy Metals (as Pb), mg/kg | ≤ 10 |
| Atomic absorption spectroscopy | |
| Lead (Pb), mg/kg | ≤ 2 |
| Atomic absorption spectroscopy | |
| Analytical Reagent (AR) Specifications | Parameter |
| Specification | |
| Assay (KHC4H4O6), w/% | ≥ 99.5 |
| Clarity Test | ≤ 3 |
| Insoluble in HCl, w/% | ≤ 0.005 |
| Chloride (Cl), w/% | ≤ 0.001 |
| Sulfate (SO4), w/% | ≤ 0.005 |
| Phosphate (PO4), w/% | ≤ 0.002 |
| Ammonium (NH4), w/% | ≤ 0.005 |
| Sodium (Na), w/% | ≤ 0.02 |
| Iron (Fe), w/% | ≤ 0.001 |
| Heavy Metals (as Pb), w/% | ≤ 0.001 |
| 2.2 Product Grade Classification | グレード |
| Purity Requirement | Key Characteristics |
| Typical Applications | |
| Food Grade | ≥99.0% |
| Compliant with GB 25556–2010, strict impurity control | Food additives, leavening agents, acidity regulators |
| Pharmaceutical Grade | ≥99.5% |
| Compliant with USP standards, strict microbial control | Pharmaceutical excipients, buffers |
| Analytical Reagent (AR) | ≥99.5% |
| High purity, low impurities | Laboratory analysis, volumetric analysis reagents |
| Chemical Pure (CP) | ≥99.0% |
| Moderate impurity tolerance | General chemical experiments, industrial raw materials |
| 2.3 Packaging and Storage Requirements | Parameter |
| Requirement | |
| Packaging Forms | 25kg woven bags (lined with plastic), 25kg fiber drums, 250g/500g plastic bottles |
| Storage Requirements | Room temperature, protected from light, well-ventilated dry place, sealed |
| Environmental Requirements | Dry conditions, avoid moisture absorption |
| 保管期限 | 24 months under specified conditions |
| 3. Core Application Areas |
包装と保管
- 荷姿： 25kg net fiber drum with double PE liner.
- サンプル： 100-500g free sample available.
- 保管： Keep in tightly closed packaging, cool, dry, well-ventilated. Protect from light and moisture.
- 保管期限： 24 months from production date.
品質と認証
全ロックは社内QCラボで検査されます。出荷毎にCOA、TDS、SDSをご提供します。
規制とコンプライアンス
EU
EU法規およびFAMI-QS規格に準拠。
米国
FDAおよびAAFCOの要求事項を満たします。
中国
中国農業部（MOA）法規に基づき登録済み。
国際
コーシャ、ハラール、ISO認証取得。FTA書類対応可能。
安全性と取扱い
- 危険物分類： 通常、非危険物です。詳細はSDSを参照。
- 保管： 室温、乾燥、密閉。強酸化剤を避けてください。
- 輸送： 非危険貨物。通常の海上／航空輸送。
- SDS： ご要望に応じて sales@xadditive.cn.
よくある質問
最小ロット（MOQ）は？
試用は1kg、通常注文は25kgが最小ロットです。無料サンプルあり。
保管期限は？
適切に保管された場合、製造日から24ヶ月。
認証は？
ISO 9001、ISO 22000、HACCP、FAMI-QS、コーシャ、ハラール、COA、SDS、TDS。
見積りの依頼方法は？
メール sales@xadditive.cn with your requirement. Reply within 30 minutes.