Methyl Orange CAS 547-58-0 MO

Methyl Orange is orange powder or flaky crystals, insoluble in ethanol, slightly soluble in water, easily soluble in hot water, produced from p-aminobenzenesulfonic acid by diazotization reaction coupled with N,N-dimethylphenylamine.

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Model:
547-58-0
Brand:
Futurechemical
Code:
547-58-0

Product Description

Methyl Orange Basic information
Product Name:	Methyl Orange
CAS:	547-58-0
MF:	C14H14N3NaO3S
MW:	327.33
EINECS:	208-925-3
Mol File:	547-58-0.mol
Methyl Orange Chemical Properties
Melting point	300 °C
bulk density	200-400kg/m3
density	0.987 g/mL at 25 °C
Fp	37 °C
storage temp.	Store at +5°C to +30°C.
solubility	5g/l
form	Powder/Solid
pka	3.4(at 25℃)
Colour Index	13025
color	Yellow-Orange
Specific Gravity	0.987
Odor	Odorless
PH	6.5 (5g/l, H2O, 20℃)
PH Range	3.1(Red)-4.4(Orange)
Water Solubility	Soluble in ethanol. Partially soluble in hot water. Slightly soluble in cold water and pyrimidine. Insoluble in ether and alcohol.
λmax	507nm, 522nm, 464nm
Merck	146,105
BRN	4732884
Stability:	Stable. Incompatible with strong oxidizing agents.
Biological Applications	Detecting microorganisms; treating dermatological diseases,vaginal affections; dental materials; wound dressing materials
Major Application	Liquid crystals, thin films, sensors, sol-gel matrix, waveguides, host-guest chemistry, display device, corrosion inhibitor, glass coatings, paints, wound dressing materials, pharmaceuticals, dental materials, measuring nucleic acid
CAS DataBase Reference	547-58-0
EPA Substance Registry System	Methyl orange (547-58-0)

Items	Standard	Results
PH change range	3.0(red)-4.4(yellow)	3.0(red)-4.4(yellow)
Solubllity in water	Solubllity in water	PASS
Sensitivity test	Sensitivity test	PASS
Sulfated ash %	18.5-22.0	20.0
Oxide	PASS	PASS

Methyl Orange C14H14N3NaO3S CAS 547-58-0 MO

Quality Assurance

Full-Process Quality Control: From incoming raw material inspection to in-process monitoring and final outgoing checks, every batch is inspected at each production stage against strict acceptance standards.
Third-Party Certified & Tested: Our quality management system is certified to ISO 9001, and products are regularly tested by accredited laboratories (e.g. SGS, TÜV). Test reports are available on request.
100% Batch Traceability: Each batch carries a unique lot number that links raw material records, production parameters, and test results, enabling complete traceability from factory to final delivery.
Pre-Shipment Inspection: Every order passes a final pre-shipment inspection, with inspection photos and reports shared before dispatch.

FAQ From Customers

Q1: What is the minimum order quantity?

A: There is no quantity limit for the first sample or trial order. Just tell us the actual quantity you need.
Q2: How can I confirm that the quality meets the requirements?

A: Provide your specifications, and our technical team will check them or customize them for you; we can provide TDS, MSDS, and COA, and accept third-party testing.
Q3: How do you ensure stable quality?

A: We manufacture under an ISO 9001 quality system, test every batch before release, and retain samples for 24 months for traceability.
Q4: Do you provide samples?

A: Yes — Free samples are available; freight is at buyer's expense for express delivery.