calcium dihydroxide (CAS 1305-62-0) — formula CaH2O2, molecular weight 73.97 g/mol; category inorganic chemicals.
Documented applications: Acidity Regulators, Food Processing Aids.
calcium dihydroxide is an inorganic compound with CAS registry number 1305-62-0 and molecular formula CaH2O2 (molecular weight 73.97 g/mol), belonging to the inorganic chemicals segment of chemical raw materials.
CAS number: 1305-62-0
Its molecular formula CaH2O2 comprises 1 Ca, 2 H, 2 O atoms.
Also known as: calcium dihydroxide · Calcium Hydroxide · Food grade calcium hydroxide
Category: inorganic chemicals / chemical / food additives
The CAS registry number of calcium dihydroxide is 1305-62-0.
Molecular formula CaH2O2, molecular weight 73.97 g/mol.
It is also registered under: calcium dihydroxide, Calcium Hydroxide, Food grade calcium hydroxide.
Recorded applications: Acidity Regulators, Food Processing Aids.
Category: Inorganic Chemicals / Acidity Regulators / Food Processing Aids.
Public-database records for calcium dihydroxide (CAS 1305-62-0), reproduced here for independent cross-checking.
| GHS 通报统计 | 0.4% (28 / 6644) |
|---|---|
| 已通报的危害声明 | H314 (22.4%), H315 (45.3%), H318 (76.9%), H335 (38.9%), H370, H373, H402 |
| 法规与食品接触 | FDA Substance added to food: FIRMING AGENT, NUTRIENT SUPPLEMENT, PH CONTROL AGENT, PROCESSING AID FDA 21 CFR 中列出的食品接触物质清单：FCS ACIDITY_REGULATOR; FIRMING_AGENT: Food Additives NOT LIMITED NMRS 40/TRS 339-JECFA 9/16 FAS 67.29/NMRS 40A,B,C-JECFA 9/156 |
|---|---|
| GHS 通报统计 | 0.4% (28 / 6644) |
| 溶解度 | 0.2 % at 32 °F (NIOSH, 2024) |
|---|---|
| 溶解度 | In water, 1730 mg/L at 20 °C |
| 溶解度 | (32 °F): 0.2% |
| 密度 | 2.24 |
| 密度 | 2.343 @25 °C |
| 蒸气压 | 0 mmHg (approx) (NIOSH, 2024) |
| 蒸气压 | 0 mmHg (approx) |
| Decomposition | 580 °C |
| Other Experimental Properties | Loses water at 580 °C |
| CAS 号 | 1305-62-0 |
|---|---|
| PubChem CID | 6093208 |
| 分子式 | CaH2O2 |
| 分子量 | 73.97 g/mol |
| IUPAC 名称 | calcium dihydroxide |
| InChIKey | AXCZMVOFGPJBDE-UHFFFAOYSA-L |
| UNII（FDA） | PF5DZW74VN |
| ChEBI 编号 | CHEBI:31341 |
CALCIUM HYDROXIDE; 1305-62-0; Slaked lime; Hydrated lime; Lime hydrate; Calcium hydrate; Lime water; Calcium hydroxide (Ca(OH)2); Hydralime; Slaked-lime; Lime milk; Calcarea caustica; INS NO.526; PF5DZW74VN; E-526; CHEBI:31341
| 分子量 | 74.09 |
|---|---|
| 氢键供体数 | 2 |
| 氢键受体数 | 2 |
| 可旋转键数 | 0 |
| 精确质量 | 73.9680702 |
| 单同位素质量 | 73.9680702 |
| 拓扑极性表面积 | 2 |
| 重原子数 | 3 |
| 形式电荷 | 0 |
| 复杂度 | 0 |
氢氧化钙 的 CAS 号为 1305-62-0，分子式 CaH2O2，分子量 73.97 g/mol。 UNII PF5DZW74VN; ChEBI 31341; InChIKey AXCZMVOFGPJBDE-UHFFFAOYSA-L. 溶解度: 0.2 % at 32 °F (NIOSH, 2024); 溶解度: In water, 1730 mg/L at 20 °C; 溶解度: (32 °F): 0.2%.
Source: PubChem / Wikidata; the batch COA governs where values differ.
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