Molekula
كرومات الأمونيوم
Ammonium dichromate is a bright orange-red crystalline solid used in pyrotechnics, as a catalyst, and in laboratory demonstrations due to its decomposition properties. It is a strong oxidizing agent and must be handled with care. CAS: 7789-09-5, Molecular formula: Cr₂H₈N₂O₇, Molecular weight: 252.07 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Ammonium dichromate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
نظرة عامة
Ammonium dichromate is a bright orange-red crystalline solid used in pyrotechnics, as a catalyst, and in laboratory demonstrations due to its decomposition properties. It is a strong oxidizing agent and must be handled with care. CAS: 7789-09-5, Molecular formula: Cr₂H₈N₂O₇, Molecular weight: 252.07 g/mol, Storage: Ambient, Signal word: Danger. Molekula supplies Ammonium dichromate from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
المواصفات
| Property | Value |
|---|---|
| Appearance | Orange crystal |
| Water | 0.05% max |
| Assay | 98% min |
| Insoluble matter in water | 0.05% max |
| Chloride | 1% max |
التخزين والتعامل
| Property | Value |
|---|---|
| Storage Temperature | Ambient |
| Transport Class | 5.1 |
| Packing Group | II |
| Shelf Life | 60 months |
| Acidity | Acid |
التعرف
| Property | Value |
|---|---|
| CAS Number | 7789-09-5 |
| Molecular Formula | Cr2H8N2O7 |
| Molecular Weight | 252.07 |
| SMILES | [NH4+].[NH4+].[O-][Cr](=O)(=O)O[Cr](=O)(=O)[O-] |
| EC / UN Number | 1439 |
| REACH Code | Y110 |
| TSCA Listed | Yes |
| HTS Code | 28415091 |
| Tariff Code | 2841500040 |
السلامة ونظام التصنيف والتحذير العالمي
-
Oxidizing
GHS03
-
Corrosive
GHS05
-
Toxic
GHS06
-
Serious Health Hazard
GHS08
-
Hazardous to the Environment
GHS09
بيانات الخطر
- H272 May intensify fire; oxidizer
- H301 Toxic if swallowed
- H312 Harmful in contact with skin
- H314 (sub cat. 1B) Causes severe skin burns and eye damage
- H317 May cause an allergic skin reaction
- H330 Fatal if inhaled
- H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled
- H340 May cause genetic defects
- H350 May cause cancer
- H360FD May damage fertility. May damage the unborn child.
- H372 Causes damage to organs through prolonged or repeated exposure
- H410 Very toxic to aquatic life with long lasting effects
إقرارات احترازية
- P210 Keep away from heat/sparks/open flames/hot surfaces - No smoking
- P260 Do not breathe dust/fume/gas/mist/vapours/spray
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P301+310 IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician
- P303+361 IF ON SKIN (or hair): Remove immediately all contaminated clothing. Rinse with water/shower
- P304+340 IF INHALED: Remove victim to fresh air and keep at rest in a position comfortable for breathing
- P305+351+338 IF IN EYES: Rinse with water for several minutes. Remove contact lenses if present and easy to do. Continue rinsing
- P308+313 IF exposed or concerned: Get medical advice/attention
مخصص للأغراض البحثية والصناعية فقط
الوثائق
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.
الأسعار ومقاسات التعبئة
مرادفات
لا توجد أسماء بديلة مسجلة لهذا المنتج.
الأسئلة الشائعة
What is ammonium dichromate used for?
Ammonium dichromate is primarily used in laboratory settings for redox reactions and as a catalyst in organic synthesis. It is also used in pyrotechnics and as a mordant in dyeing.
What is the chemical formula and molecular weight of ammonium dichromate?
The chemical formula is Cr2H8N2O7, and the molecular weight is 252.07 g/mol.
How should ammonium dichromate be stored?
It should be stored at ambient temperature in a dry, well-ventilated area away from incompatible materials.
What grade of ammonium dichromate does Molekula supply?
Molekula supplies ammonium dichromate in reagent grade, suitable for laboratory and research applications.
Can Molekula supply ammonium dichromate in bulk?
Yes, Molekula can supply ammonium dichromate in bulk quantities—please contact our sales team for pricing and availability.
What documentation comes with an order of ammonium dichromate?
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.