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World’s Only Manufacturer of
Murexide (Ammonium Purpurate) Extra Pure

High Quality Indicator for complexometric titration, metal ion detection and product analysis.

Product Description

PapChem International, a trusted manufacturer and global supplier, offers high-purity Murexide, a metallochromic indicator widely used in complexometric titrations for the determination of calcium, rare earth elements, and other metal ions. Renowned for its sharp colour transition and excellent stability, Murexide is extensively used in analytical chemistry, pharmaceutical quality control, laboratory reagents, research laboratories, and academic institutions. Manufactured under stringent quality standards, our export-quality Murexide delivers consistent purity, accurate detection, and reliable analytical performance, making it ideal for bulk commercial supply, research applications, and large-scale laboratory use.

📋 Product Details

Chemical Name : Murexide (Ammonium Purpurate)

CAS Number : 3051-09-0

Molecular Formula : C₈H₈N₆O₆

Molecular Weight : 284.19 g/mol

Synonyms : Purpuric acid ammonium salt, Ammonium purpurate, 2,6,8-

Trihydroxypurine-5-carboxylic acid ammonium salt

🔍 Product Highlights

Appearance : Red-Purple powder

Wavelength : 550–525 nm

Absorbance : NLT 350 nm

Moisture Content : NMT 1%

Grade : LR I AR I ACS

Attributes : Unlimited manufacturing capacity | High Quality | Superior physical and

chemical properties | Globally approved and recognized

⚙️ Applications

🧪 Analytical Chemistry & Laboratory Testing

Used as a colorimetric indicator in EDTA titrations for calcium, copper, and other metal ions.
Essential for quantifying metal content in pharmaceuticals and water samples.
Preferred in complexometric analysis due to its distinct color transition.

💊 Pharmaceutical Quality Control

Used in testing and standardization of mineral-containing drugs.
Ensures accurate analysis of metal ion concentration in formulations.
Applicable in regulatory lab procedures and raw material testing.

🎓 Research & Academic Use

Standard reagent in inorganic and coordination chemistry experiments.
Helps in demonstrating principles of complex formation and ion detection in teaching labs.

📦Product Packaging and Supply Chain

Standard Packs:

500 g | 1 kg | 5kg | 10 kg | 25 kg (Flexible packaging options available as per customer requirement)

Shipping:

Efficient global supply chain network with option of delivered pricing

Storage:

Store in a tightly sealed container in a cool, dry place, protected from direct light

Documentation Available:

COA | MSDS |Other Compliance Documents| Vendor Qualification Docs

Certifications:

ISO 9001:2015 | GMP Compliant | Halal | Kosher

🌐 Why Choose PapChem Lifesciences?

🏭 30+ years of remarkable passionate manufacturing journey with 25+ years in international trade.

⚙️ 4 state-of-the-art manufacturing facilities with all the compliances.

👩‍🔬 Highly qualified team of technocrats, experienced professionals, and skilled workforce.

🔬 Well-equipped in-house analytical capabilities and R&D centre.

📦 Value-added products and services like granulation, micronization, customized packaging, and more.

🌍 Global network of efficient supply chain.

Request A Quote

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Laboratory Reagents
Product Name	CAS No.
Ninhydrin	485-47-2
Murexide (Ammonium Purpurate)	3051-09-0
Dithizone	60-10-6
Alloxan Monohydrate	2244-11-03
Chloranilic Acid	87-88-7
Barium Chloranilate	32458-20-1

Sr No.	Product Name	% Content	CAS No.
1	Magnesium Bisglycinate 11.7%	11.7 % to 13.5%	14783-68-7
2	Magnesium Glycinate 18%	18% to 20.3%	14783-68-7
3	Magnesium Glycinate 20%	20% to 25%	14783-68-7
4	Magnesium Ascorbate 6.4%	NLT 6.4%	15431-40-0
5	Magnesium Ascorbate 10%	10% to 12.6%	15431-40-0
6	Magnesium Malate 15%	15% to 20%	869-06-7
7	Magnesium Malate 20%	NLT 20%	869-06-7
8	Magnesium Caprylate	6.4% to 8.4%	3386-57-0
9	Magnesium Citrate 17%	NLT 17%	3344-18-1
10	Magnesium Butyrate	11.5% to 13.5%	556-45-6
11	Magnesium Orotate 6%	5.5% to 7.5%	34717-03-8
12	Magnesium Orotate 7%	7.0 to 8.9 %	34717-03-8
13	Calcium Butyrate	NLT 98%	5743-36-2
14	Calcium Citrate 29%	NLT 29%	5785-44-4

Halogen and its Compounds
Product Name	CAS No.
Bromine	7726-95-6
Hydrobromic Acid-48%	10035-10-6
Ethyltriphenylphosphonium Bromide (ETPB)	1530-32-1
Ethyltriphenylphosphonium Iodide (ETPI)	4736-60-1
Ethylene Dibromide (EDBr)	106-93-4

Pharmaceutical Reagents ,Intermediates and Speciality Chemicals
Product Name	CAS No.
Phthalimide	85-41-6
Potassium Phthalimide	1074-82-4
N-Hydroxy Phthalimide	524-38-9
N-Methyl Phthalimide	550-44-7
N-Hydroxyl-Methyl Phthalimide	118-29-6
N-(2-Hydroxylethyl) Phthalimide	3891-07-04
N-Chlorophthalimide	3841-09-02
1,2,3,6-Tetrahydrophthalimide	85-40-5
3,4,5,6-Tetrahydrophthalimide	4720-86-9
N-Propyl Phthalimide	5323-50-2
N-Butyl Phthalimide	1515-72-6
N-Isopropyl Phthalimide	304-17-6
Chloramine-T	7080-50-4
Barbituric Acid	67-52-7
1-Hydroxybenzotriazole (HOBT)	80029-43-2
2-Nitrobenzaldehyde (ONB)	552-89-6

Nutraceutical Grades and Vitamins
Product Name	CAS No.
Indole-3-Carboxaldehyde	487-89-8
Indole-3-Carbinol	700-06-1
3’3 – Diindolylmethane	1968-05-04
Ascorbigen	8075-98-7
N-N Dimethylglycine HCl	2491-06-07
Palmitoylethanolamide	544-31-0
Natural Vitamin D3 Powder- NLT1,00,000IU/g	67-97-0
Benfotiamine	22457-89-2
Riboflavin-5-Phosphate	130-40-5
Methylcobalamin	13422-55-4
Theobromine	83-67-0

World’s Only Manufacturer of
Murexide (Ammonium Purpurate) Extra Pure

High Quality Indicator for complexometric titration, metal ion detection and product analysis.

Product Description

📋 Product Details

🔍 Product Highlights

⚙️ Applications

📦Product Packaging and Supply Chain

🌐 Why Choose PapChem Lifesciences?

Request A Quote

Other Promising Products

MR. RAVINDRA YASHWANT PATIL

Chief Executive Officer

MR. VIVEK PATIL

Chief Executive Officer

MR. HARSHAD PATIL

Master of Science

MR. PARESH PATIL

Accomplished Leader

CAS No: 32458-20-1

Specifications

Physical Appearance	Brown Powder
Assay	NLT 98%
Loss on Drying	12% to 16%
Suitability for Sulphate Analysis	Passes Test
Solubility	Soluble in Alkaline solution. Insoluble in Water, Benzene, Ether & Ethanol.

World’s Only Manufacturer of Murexide (Ammonium Purpurate) Extra Pure

High Quality Indicator for complexometric titration, metal ion detection and product analysis.

Product Description

📋 Product Details

🔍 Product Highlights

⚙️ Applications

📦Product Packaging and Supply Chain

🌐 Why Choose PapChem Lifesciences?

Request A Quote

Other Promising Products

CAS No: 32458-20-1

Specifications

World’s Only Manufacturer of
Murexide (Ammonium Purpurate) Extra Pure