12257

重铬酸钾

technical, ≥98%

• 别名: 红矾钾
• 线性分子式: K₂Cr₂O₇
• CAS号: 7778-50-9
• 分子量: 294.18
• EC號碼: 231-906-6
• MDL號碼: MFCD00011367
• 分類程式碼代碼: 12352300

属性

• 等級: technical
• 化驗: ≥98%
• 反應適用性: reagent type: oxidant
• mp: 398 °C (lit.)
• 負離子痕跡: chloride (Cl^-): ≤200 mg/kg; sulfate (SO₄^2-): ≤500 mg/kg
• SMILES 字串: [K+].[K+].[O-][Cr](=O)(=O)O[Cr]([O-])(=O)=O
• InChI: 1S/2Cr.2K.7O/q;;2*+1;;;;;;2*-1
• InChI 密鑰: KMUONIBRACKNSN-UHFFFAOYSA-N

说明

其他說明

A -D suffix exists for administrative purposes only.
All -D packages are 100% the same product, same quality, same specification as the package sizes previously sold without a -D.

安全信息

• 象形圖: GHS03,GHS06,GHS08,GHS05,GHS09
• 訊號詞: Danger
• 危險聲明: H272,H301,H312,H314,H317,H330,H334,H335,H340,H350,H360FD,H372,H410
• 防範說明: P210 - P260 - P280 - P303 + P361 + P353 - P304 + P340 + P310 - P305 + P351 + P338
• 危險分類: Acute Tox. 2 Inhalation - Acute Tox. 3 Oral - Acute Tox. 4 Dermal - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 1B - Eye Dam. 1 - Muta. 1B - Ox. Sol. 2 - Repr. 1B - Resp. Sens. 1 - Skin Corr. 1B - Skin Sens. 1 - STOT RE 1 Inhalation - STOT SE 3
• 標靶器官: Cardio-vascular system, Respiratory system
• 儲存類別代碼: 5.1B - Oxidizing hazardous materials
• 水污染物質分類（WGK）: WGK 3
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable
• 個人防護裝備: dust mask type N95 (US), Eyeshields, Faceshields, Gloves, type P2 (EN 143) respirator cartridges, type P3 (EN 143) respirator cartridges