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1333-82-0
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1333-82-0
| Chromium(VI) oxide Basic information | |
| Chemical properties Uses Reaction Production method Toxicity Hazards & Safety Information | |
| Product Name: | Chromium(VI) oxide |
| Synonyms: | Chrormic trioxide;CHROMIC ACID FLAKES 99.5 PERCENT MIN;Chromium(VI) oxide, 99.90%;Chromium(VI) oxide, ACS reagent;CHROMIUM TRIOXIDE REAGENT (ACS);CHROMIUM TRIOXIDE, 50% AQUEOUS (W/W);Chromic;Chromiumtrioxideandydrous |
| CAS: | 1333-82-0 |
| MF: | CrO3 |
| MW: | 99.99 |
| EINECS: | 215-607-8 |
| Mol File: | 1333-82-0.mol |
| Chromium(VI) oxide Chemical Properties | |
| Melting point | 196 °C (dec.)(lit.) |
| Boiling point | 330 °C |
| density | 2.7 |
| vapor pressure | 0Pa at 25℃ |
| Fp | 250°C |
| storage temp. | Store below +30°C. |
| solubility | 1.667g/l |
| form | macroporous |
| pka | -0.61[at 20 ℃] |
| color | Reddish-violet |
| Specific Gravity | 2.7 |
| PH | <1 (100g/l, H2O, 20℃) |
| Water Solubility | Highly soluble |
| FreezingPoint | 170~172℃ |
| Sensitive | Hygroscopic |
| Merck | 142,235 |
| Exposure limits | ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin) |
| OSHA: Ceiling 0.1 mg/m3 | |
| NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3 | |
| Stability: | Stable. Strong oxidizer. Reacts with most organic material in a violent and often explosive fashion. Moisture sensitive. |
| InChIKey | WGLPBDUCMAPZCE-UHFFFAOYSA-N |
| CAS DataBase Reference | 1333-82-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Chromium trioxide(1333-82-0) |
| EPA Substance Registry System | Chromium(VI) trioxide (1333-82-0) |
| Items/Standard | GB\T1610--1999 | Internal standard |
| Content(CrO3 )% | ≥99.7 | ≥99.85 |
| Sulphate(SO42-)% | ≤0.06 | ≤0.05 |
| Sodium (Na)% | ≤0.05 | ≤0.02 |
| Water insolubles% | ≤0.02 | ≤0.02 |
| Turbidity% | ≤5.0 | ≤3.0 |
| Iron(Fe) | ≤0.005 | ≤0.005 |
| Chromium(VI) oxide Basic information | |
| Chemical properties Uses Reaction Production method Toxicity Hazards & Safety Information | |
| Product Name: | Chromium(VI) oxide |
| Synonyms: | Chrormic trioxide;CHROMIC ACID FLAKES 99.5 PERCENT MIN;Chromium(VI) oxide, 99.90%;Chromium(VI) oxide, ACS reagent;CHROMIUM TRIOXIDE REAGENT (ACS);CHROMIUM TRIOXIDE, 50% AQUEOUS (W/W);Chromic;Chromiumtrioxideandydrous |
| CAS: | 1333-82-0 |
| MF: | CrO3 |
| MW: | 99.99 |
| EINECS: | 215-607-8 |
| Mol File: | 1333-82-0.mol |
| Chromium(VI) oxide Chemical Properties | |
| Melting point | 196 °C (dec.)(lit.) |
| Boiling point | 330 °C |
| density | 2.7 |
| vapor pressure | 0Pa at 25℃ |
| Fp | 250°C |
| storage temp. | Store below +30°C. |
| solubility | 1.667g/l |
| form | macroporous |
| pka | -0.61[at 20 ℃] |
| color | Reddish-violet |
| Specific Gravity | 2.7 |
| PH | <1 (100g/l, H2O, 20℃) |
| Water Solubility | Highly soluble |
| FreezingPoint | 170~172℃ |
| Sensitive | Hygroscopic |
| Merck | 142,235 |
| Exposure limits | ACGIH: TWA 0.0002 mg/m3; STEL 0.0005 mg/m3 (Skin) |
| OSHA: Ceiling 0.1 mg/m3 | |
| NIOSH: IDLH 15 mg/m3; TWA 0.0002 mg/m3 | |
| Stability: | Stable. Strong oxidizer. Reacts with most organic material in a violent and often explosive fashion. Moisture sensitive. |
| InChIKey | WGLPBDUCMAPZCE-UHFFFAOYSA-N |
| CAS DataBase Reference | 1333-82-0(CAS DataBase Reference) |
| NIST Chemistry Reference | Chromium trioxide(1333-82-0) |
| EPA Substance Registry System | Chromium(VI) trioxide (1333-82-0) |
| Items/Standard | GB\T1610--1999 | Internal standard |
| Content(CrO3 )% | ≥99.7 | ≥99.85 |
| Sulphate(SO42-)% | ≤0.06 | ≤0.05 |
| Sodium (Na)% | ≤0.05 | ≤0.02 |
| Water insolubles% | ≤0.02 | ≤0.02 |
| Turbidity% | ≤5.0 | ≤3.0 |
| Iron(Fe) | ≤0.005 | ≤0.005 |
