Molekula
حامض ميثيل الأحمر كلوريد
Methyl red hydrochloride
مؤهل وفق ISO 9001:2015 و ISO 14001:2015 · تقديم خدمات للمختبرات والصناعة منذ عام 2000 · شهادة التحليل مع كل دفعة
Methyl red hydrochloride is a synthetic pH indicator dye used primarily in acid-base titrations, biological staining, and analytical chemistry to detect pH changes between 4.4 and 6.2, shifting from red to yellow. This chemical has a CAS number of 63451-28-5, a molecular formula of (CH3)2NC6H4N=NC6H4CO2H·HCl, and a molecular weight of 305.76 g/mol. It should be stored at ambient conditions and carries a signal word of Danger due to its hazardous nature. Molekula supplies Methyl red hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
نظرة عامة
Methyl red hydrochloride is a synthetic pH indicator dye used primarily in acid-base titrations, biological staining, and analytical chemistry to detect pH changes between 4.4 and 6.2, shifting from red to yellow. This chemical has a CAS number of 63451-28-5, a molecular formula of (CH3)2NC6H4N=NC6H4CO2H·HCl, and a molecular weight of 305.76 g/mol. It should be stored at ambient conditions and carries a signal word of Danger due to its hazardous nature. Molekula supplies Methyl red hydrochloride from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
الأسعار ومقاسات التعبئة
المواصفات
| Property | Value |
|---|---|
| Appearance | Dark purple to dark violett crystalline powder |
| Loss on Drying | <10% |
| Solubility(0.1% in 95% ethanol) | Clear solution |
| Absorptivity (E 1% in 1cmcell, pH 4.2 max | lambda max 526.6nm; >1100 |
| Absorptivity (E 1% in 1cmcell, pH 6.2 max | lambda max 431.4nm: >620 |
| Visual Transition Interval | pH 4.2 pink, pH 6.2 yellow |
التخزين والتعامل
| Property | Value |
|---|---|
| درجة حرارة التخزين | Ambient |
| الحموضة | Neutral |
التعرف
| Property | Value |
|---|---|
| SKU | 90034618 |
| رقم CAS | 63451-28-5 |
| الصيغة الجزيئية | (CH3)2NC6H4N=NC6H4CO2H·HCl |
| الوزن الجزيئي | 305.76 |
| SMILES | CN(C)C1=CC=C(C=C1)N=NC2=CC=CC=C2C(=O)O.Cl |
| رمز REACH | Y110 |
| رقم HTS | 32129000 |
| رقم التعريف الجمركي | 3212900000 |
السلامة ونظام التصنيف والتحذير العالمي
-
Serious Health Hazard
GHS08
بيانات الخطر
- H351 يشتبه بأنه يسبب السرطان
إقرارات احترازية
- P261 تجنب تنفس الغبار / الدخان / الغاز / الضباب / الأبخرة / الرذاذ
- P280 توضع قفازات للحماية / ملابس للحماية / وقاء للعينين / للوجه
- P309+311 إذا تم التعرض أو شعرت بالسوء: اتصل بمركز السموم أو طبيب.
الوثائق
أوراق بيانات السلامة (SDS)
متوفر بـ English, English (US), French, German, Italian, Portuguese, Spanish.
شهادة التحليل (CoA) حسب الدفعة
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مرادفات
لا توجد أسماء بديلة مسجلة لهذا المنتج.
الأسئلة الشائعة
What is methyl red hydrochloride commonly used for?
Methyl red hydrochloride is primarily used as a pH indicator in titrations, particularly for detecting endpoints in acid-base titrations (e.g., in the titration of weak bases with strong acids). It is also used in microbiology for differential staining and in some biochemical assays.
What is the chemical formula and molecular weight of methyl red hydrochloride?
The chemical formula is **(CH3)2NC6H4N=NC6H4CO2H·HCl**, and the molecular weight is **305.76 g/mol**.
How should methyl red hydrochloride be stored?
Store methyl red hydrochloride at **ambient temperature** in a tightly sealed container, away from moisture and direct sunlight.
What grades of methyl red hydrochloride does Molekula supply?
Molekula supplies methyl red hydrochloride in **analytical reagent grade** for laboratory applications. Bulk or custom grades may be available upon request.
Can Molekula supply methyl red hydrochloride in bulk quantities?
Yes, Molekula can supply methyl red hydrochloride in **bulk quantities** depending on availability and customer requirements. Please contact us for specific pricing and lead times.
What documentation comes with an order of methyl red hydrochloride?
Each order includes a **Certificate of Analysis (CoA)**, **Material Safety Data Sheet (MSDS)**, and **batch-specific documentation** for traceability. Additional certifications (e.g., ISO, GMP) may be provided upon request.
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