amber (1) orange (1) purple (1) red (1) white (3) gray (1) Other (1) yellow (3) Reaction Suitability . C.I. pH Indicators; Food Colors; CAS No. "Methyl red is a pH indicator; it is red in pH under 4.4, yellow in pH over 6.2, and orange in between, with a pKa of 5.1. Melting point (capillary method, temperatur measerment in the heating block) 179 - 182 °C. 13020: Chemical Formula: C 15 H 15 N 3 O 2: Molecular Weight: 269.31: Melting Point: 179-182° c : Dye Content ~95%: Absorption Max(pH4.5) 523-526 nm: Absorption Max(pH6.2) 430-434 nm: Absorptivity(1%,1cm)pH 4.5 >1330: Absorptivity(1%,1cm)pH 6.2 >700: Transition Range: pH 4.2 - 6.2 Red … Acid Red 2, is an indicator dye that turns red in acidic solutions. Melting Point (°C) less than 0 (1) 0 - 100 (5) 101 - 200 (12) 201 - 300 (14) 701 - 800 (1) 801 - 900 (1) Color. Transition range. Methyl red is a pH indicator; it is red in pH under 4.4, yellow in pH over 6.2, and orange in between.. Currently, methyl red is rarely used because it is easily reduced to a colorless form. Location. Melting Point:-98 °C(lit.) METHYL RED ETHANOL. [1]" ... At a pressure of 200atm, water's melting point is approximately what and its boiling point is approximately what? Language: English (United Kingdom) English (United Kingdom) 中文(中华人民共和国) News Login. C 15 H 15 N 3 O 2. METHYL RED MIXED SOLUTION R. Guidechem provides N-Methyl-2-pyrrolidone chemical database query, including CAS registy number 872-50-4, N-Methyl-2-pyrrolidone MSDS (Material Safety Data Sheet), nature, English name, manufacturer, function/use, molecular weight, density, boiling point, melting point, structural formula, etc. Molecular Formula. Methyl red is a monoazo dye that was discovered by E. Rupp and R. Loose in 1908. Methyl orange shows red color in acidic medium and yellow color in basic medium. Near Me . Red to red-violet powder, eventually with granular parts. Ph. 493-52-7: C.I.No. Account. IndiaMART. Flash Point (°C) 00 269.30 08/07/2020 C15 H15 N3 O2 493-52-7 (CH3)2NC6H4N=NC6H4CO2H 26444 A0421122 Methyl Red,pure,indicator synthetic Catalog Number Lot Number Description Country of Origin Declaration of Origin INDIA Quality Test / Release Date Suggested retest date 08/07/2025 08/07/2020 BSE/TSE Chemical Result name Specifications Test Value Appearance (Color) Dark red to brown to … EC Number. 207-776-1. Concentration: 0.1% w/v in Methanol Composition: Methyl Alcohol 99.88%, 1,2-Pyridylazo-2-naphthol 0.13% Boiling Point: 64.5°C Density: 0.8 Melting Point: -90°C Color: Amber to red-orange liquid Physical State: Liquid Flash Point: 11°C Solubility Information: Miscible Shelf Life: 24… synthetic (1) Biological Source. You can also browse global suppliers,vendor,prices,Price,manufacturers of Methyl Red(493-52-7). At last,Methyl Red(493-52-7) … COA Certificates of Analysis SDS Safety Data Sheets. Methyl red is easily reduced, thereby losing its color, and readings should be made promptly. METHYL RED, NEUTRAL. Absorption maximum (buffer pH 4.5) 523 - 526 nm. Melting point 179–182 °C (354–360 °F; 452–455 K) Solubility soluble in ethanol UV ... Ang methyl red (2- ( N, N-dimethyl-4-aminophenyl) azobenzenecarboxylic acid), na tinatawag ding CI Acid Red 2, ay isang dye na tagapagpahiwatig na nagiging pula sa acidic na mga solusyon. Methyl Red (50 products available) View by: Product | Supplier. Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references: Methyl Red (pH indicator) below pH 4.4: above pH 6.2: 4.4 ↔ 6.2: Methyl red, also called C.I. JIGCHEM UNIVERSAL is manufacturer,supplier and exporter of Methyl Red from India.We are offering best quality of Methyl Red at economical price. Get Best Price. The visible spectra pertaining to two acid-base equilibria (equilibria designated by Ka^ and Kdy, in Fig. New (4) Stockroom Favorite (2) Available on GSA Contract (1) Application. New (1) Application. Interactive image; ChEBI: CHEBI:49770 ChemSpider: 9881 ECHA InfoCard: 100.007.070: KEGG: C19459 PubChem CID. Methyl red is an indicator dye that turns red in acidic solutions. When mixed as a 0.1% alcoholic solution, methyl red has a red color below pH 4.4 and yellow above pH 6.2. colorless (1) Feature. Identifiers CAS Number. It is a pH indicator, turning red under pH 4.4, yellow over pH 6.2, and orange in between those values. CAS No: 67-56-1; Molecular Weight: 32.04; Molecular Formula:CH 4 O; Boiling Point:65.4 °C(lit.) Acid Red 2, is an indicator dye that turns red in acidic solutions. Melting Point (°C) 101 - 200 (1) Color. Methyl Red sodium salt is the sodium salt of Methyl Red. Properties Safety and Handling Reach Info MSDS NMR Spectrum Synthesis Route Precursor and Product Computational chemical data 401 Suppliers Ito ay isang azo pangulay, at isang madilim na pulang kristal na pulbos. 10303; UNII: 69083AX1ZX (free base) RFA0W63690 (HCl salt) 311GZ0QHWN (sodium salt) … … Methyl red (2-(N,N-dimethyl-4-aminophenyl) azobenzenecarboxylic acid), also called C.I. 99%,Ar Grade,Cas No. What is the IUPAC name for ch3-ch2-c(double bond o)-ch3? Methyl red Acid red 2; CI 13020; 2-(4- 00493-52-7 100 Dimethylaminophenylazo)benzoic acid 9. Griess reaction (2) Feature. Guidechem provides N-Methyl-2-pyrrolidone chemical database query, including CAS registy number 872-50-4, N-Methyl-2-pyrrolidone MSDS (Material Safety Data Sheet), nature, English name, manufacturer, function/use, molecular weight, density, boiling point, melting point, structural formula, etc. Search. Acid Red 2; Methyl Red,indicator; 4-Dimethylamino-2-carboxylazobenzene; Acid Red 2; 4-Dimethylaminoazobenzene-2-carboxylic acid; 2-Carboxy-4-(dimethylamino)azobenzene; 2-[4-(dimethylamino)phenylazo]benzoic acid; 2-[[4-(dimethylamino)phenyl]diazenyl]b . pH 4.4 - pH 6.0 Red - yellow. 2-{[4-(Dimethylamino)phenyl]diazenyl}benzoic acid. Clinical Testing (1) Diagnostic Assay Manufacturing (4) Available for Sale. It is an azo dye, and is a dark red crystalline powder. (CH 3) 2 NC 6 H 4 NNC 6 H 4 COOH A dark red powder or violet crystals with a melting point of 180°C; soluble in alcohol, ether, and glacial acetic acid; used as an acid-base indicator (pH 4.2-6.2). It has been used for titrating ammonia and weak organic bases, but it is not suitable for titrating acids. Others (1) Featured Industry. 493-52-7,Methyl Red,493-52-7,Methyl Red,Acid Red from High Purity Reagents Supplier or Manufacturer-Wuhan Pharmchem Co., Ltd. Methyl red is a pH indicator; it is red in pH under 4.4, yellow in pH over 6.2, and orange in between, with a pKa of 5.1. Melting point: 179-182 °C, 452-455 K. Hazards; R-phrases: R20 R21 R22 R36 R37 R38 R40 (what is: /?) Size Price In Stock Sign In. It is used in microbiology in the Voges-Proskauer test to identify bacteria that produce stable acids through mixed acid fermentation of glucose. cell analysis (1) cell culture | stem cell (1) hematology (5) histology (5) Host Species. All India; Mumbai; Alpha Chemika Methyl Red PH Indicator Solution, 0.5 to 20 ml. 2-[4-(dimethylamino)phenyl]diazenylbenzoic acid. Can anyone help me solve this chemistry problem? It is gradually being replaced by sulfonphthalein indicators, such as bromcresol green, which are more stable and exhibit a sharper change in color. Except where noted otherwise, data are given for materials in their standard state (at 25 °C, 100 kPa) Infobox references: Methyl Red (pH indicator) below pH 4.4: above pH 6.2: 4.4 ↔ 6.2: Methyl red, also called C.I. IndiaMART > Dyes & Color Additives > Acid Dyes > Methyl Red. The range includes Benzophenone, Melting Point +47 to +49 degrees celsius, to Anthraquinone, Melting Point +283 to +286 degrees celsius. Physical & Chemical Standards . 493-52-7: Density: 1.17 g/cm 3: Solubility: Melting Point: 178-182 °C: Formula: C 15 H 15 N 3 O 2: Boiling Point: 479.5 °C at 760 mmHg Molecular Weight: 269.33 Flash Point: 243.8 °C Transport Information: UN 1170 3/PG 2 Appearance Clarity of solution (1 g/l; ethanol) passes test. IUPAC Name. Acid Red 2, is an indicator dye that turns red in acidic solutions. Methyl red: EINECS: 207-776-1 CAS No. Because it changes color at the pK a of a mid strength acid, it is usually used in titration for acids. 493-52-7 (free base) 63451-28-5 (HCl salt) 845-10-3 (sodium salt) 3D model . Dayglo Color Corporation - Offering Methyl Red, Acid Red 2, मिथाइल लाल, मिथाइल रेड, PH Indicators & Biological Stains in Chunabhatti East, Mumbai, Maharashtra. Methyl acetate, also known as MeOAc, acetic acid methyl ester or methyl ethanoate, is a carboxylate ester with the formula CH 3 COOCH 3.It is a flammable liquid with a characteristically pleasant smell reminiscent of some glues and nail polish removers. Concentration: 0.02% w/v Composition: Water 99.98%, Methyl Red, Sodium Salt 0.02% Boiling Point: 100°C Density: 1 Melting Point: 0.0°C Color: Orange to dark red liquid Physical State: Liquid pH Range: 4.2 (pink) – 6.2 (yellow) Solubility Information: Miscible Shelf Life: 24 Months … Eur., acid-base indicator, CAS Number: 493-52-7,(32654 Fluka).Shop now or request a quote. Hazards; R-phrases: R20 R21 R22 R36 R37 R38 R40 (what is: /?) Methyl red hydrochloride; Methyl red hydrochloride Product Specs. Melting point: 179-182 °C, 452-455 K, 354-360 °F. Methyl Red Indicator Solution ACC# 45435 Section 1 - Chemical Product and Company Identification: MSDS Name: Methyl Red Indicator Solution Catalog Numbers: S71419, S71420 Synonyms: Methyl Red in Alcohol Company Identification: Fisher Scientific 1 Reagent Lane Fair Lawn, NJ 07410 For information, call: 201-796-7100 Emergency Number: 201-796-7100 For CHEMTREC assistance, call: 800-424-9300 … Read about company. C of A ... Molecular Weight: 305.8 ; CAS No: 63451-28-5 ; MDL No: MFCD00012614 ; Melting Point: 175°C (dec) Storage Temp: Store at RT ; Move the mouse over the image for zoom Ask about this product Email this page. Get contact details and address| ID: 9505736948 Methyl red Names Preferred IUPAC name. It is an azo dye, and is a dark red crystalline powder.. Login. Get contact details & address of companies manufacturing and supplying Methyl Red, Acid Red 2 across India. Visit ChemicalBook To find more Methyl Red(493-52-7) information like chemical properties,Structure,melting point,boiling point,density,molecular formula,molecular weight, physical properties,toxicity information,customs codes. Methyl red in solid form and as solution at pH < 4.4 (red), pH 4.4-6.2 (orange) and pH > 6.2 (yellow) ... Melting point: 179–182 °C (354–360 °F; 452–455 K) (decomposes) Boiling point: Decomposes Solubility in water. Methyl Red Reag. 493-52-7,Methyl Red , Find Complete Details about 99%,Ar Grade,Cas No. METHYL RED SPECIFICATION SHEET: PRODUCTS. Absorption maximum (buffer pH 6.2) 427 - 437 nm Methyl Red, also called C.I. Unlike a universal indicator, methyl orange does not have a full spectrum of color change, but it has a sharp end point. Above pH 6.2, and is a dark red crystalline powder ) News Login universal,! Chemspider: 9881 ECHA InfoCard: 100.007.070: KEGG: C19459 PubChem CID red 2, is indicator. Gsa Contract ( 1 g/l ; ethanol ) passes test, vendor, prices, Price manufacturers. In microbiology in the Voges-Proskauer test to identify bacteria that produce stable acids through acid... Is usually used in microbiology in the Voges-Proskauer test to identify bacteria that produce stable through... ) News Login +49 degrees celsius, to Anthraquinone, melting point: 179-182 °C, 452-455 K, °F... Melting point +47 to +49 degrees celsius, acid red 2, is an indicator dye that turns in! 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