永久黄（CAS 10294-40-3）：分子式 BaCrO4、分子量 253.32。
| CAS号 | 10294-40-3 |
|---|---|
| 分子式 | BaCrO4 |
| 分子量 | 253.32 |
| 熔点 | 1400 °C (decomposes) |
| 应用领域 | Uses: Used as a pigment (artists' colors and colorant in glass、ceramics、and porcelain)、corrosion inhibitor (jointing pastes and metal primers)、Also used in pyrotechnics、fuses、safety matches、ignition control devices、and high-temperature batteries、[HSDB] Used in corrosion-resistant paints、[Ullmann]、Battery Manufacturing [Category: Industry]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Glass Manufacturing [Category: Industry]、Ceramics making [Category: Hobbies]、Painting [Category: Hobbies]、Glassblowing [Category: Hobbies]、As pigment almost entirely in anticorrosion jointing pastes to prevent electro-chemical corrosion at junctions of dissimilar metals、some use in artists' colors and in coloring glass、porcelain. Also used in metal primers、pyrotechnic compositions.、Safety matches、... fuses、... ignition control devices.、Used in high temperature batteries.、Barium chromate is used in pyrotechnic compositions、pigments、metal primers、explosive initiators、and as a corrosion inhibitor. (L19)、Industry Uses: Catalyst、Methods of Manufacturing: Interaction of barium chloride and sodium chromate. The precipitate is washed、filtered and dried.、Barium carbonate + chromic acid (salt formation)、Impurities: Chlorides、0.05% max、water soluble matter、and volatile matter 0.10% max、Formulations、Preparations: Grade: Technical、CP.、98.5% min、-80 mesh、99.5% purity grade、99% grade、U.S. Production: 2023: 50、000 - <250、000 lb、2022: <50、2021: 50、2020: <50、General Manufacturing Information: All other Petroleum and Coal Products Manufacturing、Chromic acid (H2CrO4)、barium salt (1:1): ACTIVE |
登记用途：Uses: Used as a pigment (artists' colors and colorant in glass、ceramics、and porcelain)、corrosion inhibitor (jointing pastes and metal primers)、Also used in pyrotechnics、fuses、safety matches、ignition control devices、and high-temperature batteries、[HSDB] Used in corrosion-resistant paints、[Ullmann]、Battery Manufacturing [Category: Industry]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Glass Manufacturing [Category: Industry]、Ceramics making [Category: Hobbies]、Painting [Category: Hobbies]、Glassblowing [Category: Hobbies]、As pigment almost entirely in anticorrosion jointing pastes to prevent electro-chemical corrosion at junctions of dissimilar metals、some use in artists' colors and in coloring glass、porcelain. Also used in metal primers、pyrotechnic compositions.、Safety matches、... fuses、... ignition control devices.、Used in high temperature batteries.、Barium chromate is used in pyrotechnic compositions、pigments、metal primers、explosive initiators、and as a corrosion inhibitor. (L19)、Industry Uses: Catalyst、Methods of Manufacturing: Interaction of barium chloride and sodium chromate. The precipitate is washed、filtered and dried.、Barium carbonate + chromic acid (salt formation)、Impurities: Chlorides、0.05% max、water soluble matter、and volatile matter 0.10% max、Formulations、Preparations: Grade: Technical、CP.、98.5% min、-80 mesh、99.5% purity grade、99% grade、U.S. Production: 2023: 50、000 - <250、000 lb、2022: <50、2021: 50、2020: <50、General Manufacturing Information: All other Petroleum and Coal Products Manufacturing、Chromic acid (H2CrO4)、barium salt (1:1): ACTIVE。
永久黄 是一种化工化合物，登记 CAS 号为 10294-40-3，分子式 BaCrO4（分子量 253.32）。
登记 CAS 号：10294-40-3
其分子式 BaCrO4 由 1 个钡、1 个铬、4 个氧 组成。
别名/同义词：永久黄 · Permanent Yellow
永久黄 的 CAS 登记号为 10294-40-3。
分子式 BaCrO4，分子量 253.32。
别名/同义词：永久黄、Permanent Yellow。
登记用途：Uses: Used as a pigment (artists' colors and colorant in glass、ceramics、and porcelain)、corrosion inhibitor (jointing pastes and metal primers)、Also used in pyrotechnics、fuses、safety matches、ignition control devices、and high-temperature batteries、[HSDB] Used in corrosion-resistant paints、[Ullmann]、Battery Manufacturing [Category: Industry]、Painting (Pigments、Binders、and Biocides) [Category: Paint]、Glass Manufacturing [Category: Industry]、Ceramics making [Category: Hobbies]、Painting [Category: Hobbies]、Glassblowing [Category: Hobbies]、As pigment almost entirely in anticorrosion jointing pastes to prevent electro-chemical corrosion at junctions of dissimilar metals、some use in artists' colors and in coloring glass、porcelain. Also used in metal primers、pyrotechnic compositions.、Safety matches、... fuses、... ignition control devices.、Used in high temperature batteries.、Barium chromate is used in pyrotechnic compositions、pigments、metal primers、explosive initiators、and as a corrosion inhibitor. (L19)、Industry Uses: Catalyst、Methods of Manufacturing: Interaction of barium chloride and sodium chromate. The precipitate is washed、filtered and dried.、Barium carbonate + chromic acid (salt formation)、Impurities: Chlorides、0.05% max、water soluble matter、and volatile matter 0.10% max、Formulations、Preparations: Grade: Technical、CP.、98.5% min、-80 mesh、99.5% purity grade、99% grade、U.S. Production: 2023: 50、000 - <250、000 lb、2022: <50、2021: 50、2020: <50、General Manufacturing Information: All other Petroleum and Coal Products Manufacturing、Chromic acid (H2CrO4)、barium salt (1:1): ACTIVE。
永久黄（CAS 10294-40-3）的独立参考数据，整理自公开化学数据库。
| CAS Registry Number | 10294-40-3 |
|---|---|
| PubChem CID | 25136 |
| Molecular formula | BaCrO4 |
| IUPAC name | barium(2+);dioxido(dioxo)chromium |
| UNII (FDA) | 7D7O9CF0IX |
| Molecular Weight | 253.32 |
|---|---|
| Hydrogen Bond Donor Count | 0 |
| Hydrogen Bond Acceptor Count | 4 |
| Rotatable Bond Count | 0 |
| Exact Mass | 253.825410 |
| Monoisotopic Mass | 253.825410 |
| Topological Polar Surface Area | 80.3 |
| Heavy Atom Count | 6 |
| Melting Point | 1400 °C (decomposes) |
|---|---|
| Melting Point | 1380 °C |
| Solubility | In water, 0.00026 g/100 mL at 20 °C |
| Density | 4.498 at 15 °C |
| Density | 4.5 g/cm³ |
| Density | 4.498 @25 °C |
| Formulations/Preparations | 98.5% min |
BARIUM CHROMATE; 10294-40-3; Lemon chrome; Lemon Yellow; Permanent Yellow; Baryta Yellow; Ultramarine Yellow; Barium chromate(VI); Barium chromate (1:1); Barium chromium oxide (BaCrO4); CI 77103; Chromic acid, barium salt (1:1); C.I. 77103; 7D7O9CF0IX; Chromic acid (H2CrO4), barium salt (1:1); DTXSID1051517
| Reported hazard statements | H272 (14.8%), H301, H311 (20.4%), H302 (72.4%), H317 (38.3%), H330 (23.3%), H332 (70%), H334 (26.7%) |
|---|
H272 (14.8%): May intensify fire; oxidizer [Danger Oxidizing liquids; Oxidizing solids]
H301+H311 (20.4%): Toxic if swallowed or in contact with skin [Danger Acute toxicity, oral; acute toxicity, dermal]
Permanent Yellow · CAS 10294-40-3 · BaCrO4. UNII 7D7O9CF0IX. Melting Point: 1400 °C (decomposes); Melting Point: 1380 °C; Solubility: In water, 0.00026 g/100 mL at 20 °C.
数据来源：PubChem / Wikidata；与随货 COA 不一致时以 COA 为准。
English page: Permanent Yellow