Molekula
كرومات البوتاسيوم
Potassium chromate
Potassium chromate is an inorganic compound used in laboratory analysis, corrosion inhibition, and as a precursor in chromium-based chemical synthesis. It appears as a yellow crystalline solid and is highly toxic and carcinogenic. CAS: 7789-00-6, Molecular formula: K2CrO4, Molecular weight: 194.19 g/mol, Storage: Ambient. Molekula supplies Potassium chromate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
نظرة عامة
Potassium chromate is an inorganic compound used in laboratory analysis, corrosion inhibition, and as a precursor in chromium-based chemical synthesis. It appears as a yellow crystalline solid and is highly toxic and carcinogenic. CAS: 7789-00-6, Molecular formula: K2CrO4, Molecular weight: 194.19 g/mol, Storage: Ambient. Molekula supplies Potassium chromate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
الأسعار ومقاسات التعبئة
المواصفات
| Property | Value |
|---|---|
| Appearance | Yellow-green powder |
| pH | 8.6–9.8 |
| Sulfate | ≤0.02% |
| Assay | ≥99.5% |
| Calcium | ≤0.005% |
| Sodium | ≤0.1% |
| Water insoluble matter | ≤0.0004% |
| Chloride | ≤0.003% |
التخزين والتعامل
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 6.1 |
| Packing Group | III |
| Shelf Life | 24 months |
| Acidity | Base |
التعرف
| Property | Value |
|---|---|
| SKU | 17408642 |
| CAS Number | 7789-00-6 |
| Molecular Formula | K2CrO4 |
| Molecular Weight | 194.19 |
| SMILES | [O-][Cr](=O)(=O)[O-].[K+].[K+] |
| EC / UN Number | 3288 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28419050 |
| Tariff Code | 2841500060 |
السلامة ونظام التصنيف والتحذير العالمي
-
Health Hazard
GHS07
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
بيانات الخطر
- H315 Causes skin irritation
- H317 May cause an allergic skin reaction
- H319 Causes serious eye irritation
- H335 May cause respiratory irritation
- H340 May cause genetic defects
- H350i May cause cancer by inhalation
- H410 Very toxic to aquatic life with long lasting effects
إقرارات احترازية
- P201 Obtain special instructions before use
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P273 Avoid release to the environment
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
مخصص للأغراض البحثية والصناعية فقط
الوثائق
أوراق بيانات السلامة (SDS)
متوفر بـ EN.
شهادة التحليل (CoA) حسب الدفعة
أدخل رقم الدفعة أو الحزمة للحصول على شهادة المطابقة الخاصة بهذه الدفعة المحددة. يمكننا إنشاء واحدة من بيانات المواصفات إذا لم تكن هناك نسخة PDF محفوظة.
مرادفات
لا توجد أسماء بديلة مسجلة لهذا المنتج.
الأسئلة الشائعة
What is potassium chromate used for?
Potassium chromate is primarily used in the production of pigments, as a corrosion inhibitor, and in analytical chemistry for testing sulfate ions.
What is the chemical formula and molecular weight of potassium chromate?
The formula is K2CrO4 with a molecular weight of 194.19 g/mol.
How should potassium chromate be stored?
It should be stored at ambient temperature in a dry, well-ventilated area, away from incompatible materials.
What grade of potassium chromate does Molekula supply?
Molekula supplies potassium chromate in reagent grade, suitable for laboratory and industrial applications.
Can Molekula supply potassium chromate in bulk?
Yes, Molekula can supply potassium chromate in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with a purchase of potassium chromate?
Each order includes a Certificate of Analysis (CoA) and Safety Data Sheet (SDS) compliant with GHS standards.
جاهز للطلب أو تحتاج إلى حزمة مخصصة؟
أخبرنا بالمنتج، والجودة، والكمية — عادةً ما نرد خلال يوم عمل واحد بأسعار التوريد وموعد التسليم.