Molecular Formula. It is used in microbiology in the Voges-Proskauer test to identify bacteria that produce stable acids through mixed acid fermentation of glucose. 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. 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… Read about company. Methyl Red, also called C.I. 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. Methyl red is an indicator dye that turns red in acidic solutions. Methyl red is a monoazo dye that was discovered by E. Rupp and R. Loose in 1908. EC Number. Login. 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.. Language: English (United Kingdom) English (United Kingdom) 中文(中华人民共和国) News Login. 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. Acid Red 2, is an indicator dye that turns red in acidic solutions. The visible spectra pertaining to two acid-base equilibria (equilibria designated by Ka^ and Kdy, in Fig. Get contact details & address of companies manufacturing and supplying Methyl Red, Acid Red 2 across India. 207-776-1. 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. Location. C.I. Clinical Testing (1) Diagnostic Assay Manufacturing (4) Available for Sale. Red to red-violet powder, eventually with granular parts. 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 … It is a pH indicator, turning red under pH 4.4, yellow over pH 6.2, and orange in between those values. Hazards; R-phrases: R20 R21 R22 R36 R37 R38 R40 (what is: /?) Ph. Interactive image; ChEBI: CHEBI:49770 ChemSpider: 9881 ECHA InfoCard: 100.007.070: KEGG: C19459 PubChem CID. Unlike a universal indicator, methyl orange does not have a full spectrum of color change, but it has a sharp end point. 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. 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. At last,Methyl Red(493-52-7) … "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. Methyl Red (50 products available) View by: Product | Supplier. CAS No: 67-56-1; Molecular Weight: 32.04; Molecular Formula:CH 4 O; Boiling Point:65.4 °C(lit.) 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 … Others (1) Featured Industry. Methyl Red sodium salt is the sodium salt of Methyl Red. METHYL RED, NEUTRAL. When mixed as a 0.1% alcoholic solution, methyl red has a red color below pH 4.4 and yellow above pH 6.2. pH 4.4 - pH 6.0 Red - yellow. IndiaMART > Dyes & Color Additives > Acid Dyes > Methyl Red. 10303; UNII: 69083AX1ZX (free base) RFA0W63690 (HCl salt) 311GZ0QHWN (sodium salt) … Methyl red Acid red 2; CI 13020; 2-(4- 00493-52-7 100 Dimethylaminophenylazo)benzoic acid 9. 493-52-7 (free base) 63451-28-5 (HCl salt) 845-10-3 (sodium salt) 3D model . Acid Red 2, is an indicator dye that turns red in acidic solutions. It has been used for titrating ammonia and weak organic bases, but it is not suitable for titrating acids. Melting point: 179-182 °C, 452-455 K, 354-360 °F. 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 . COA Certificates of Analysis SDS Safety Data Sheets. METHYL RED ETHANOL. Melting Point (°C) less than 0 (1) 0 - 100 (5) 101 - 200 (12) 201 - 300 (14) 701 - 800 (1) 801 - 900 (1) Color. Absorption maximum (buffer pH 6.2) 427 - 437 nm All India; Mumbai; Alpha Chemika Methyl Red PH Indicator Solution, 0.5 to 20 ml. 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. Methyl red hydrochloride; Methyl red hydrochloride Product Specs. (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). Acid Red 2, is an indicator dye that turns red in acidic solutions. 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. 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 … It is an azo dye, and is a dark red crystalline powder. synthetic (1) Biological Source. Clarity of solution (1 g/l; ethanol) passes test. Get Best Price. IUPAC Name. Methyl red is easily reduced, thereby losing its color, and readings should be made promptly. IndiaMART. The range includes Benzophenone, Melting Point +47 to +49 degrees celsius, to Anthraquinone, Melting Point +283 to +286 degrees celsius. Near Me . New (4) Stockroom Favorite (2) Available on GSA Contract (1) Application. What is the IUPAC name for ch3-ch2-c(double bond o)-ch3? [1]" ... At a pressure of 200atm, water's melting point is approximately what and its boiling point is approximately what? Account. Sign In. 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 Get contact details and address| ID: 9505736948 Absorption maximum (buffer pH 4.5) 523 - 526 nm. It is gradually being replaced by sulfonphthalein indicators, such as bromcresol green, which are more stable and exhibit a sharper change in color. Physical & Chemical Standards . 2-{[4-(Dimethylamino)phenyl]diazenyl}benzoic acid. 493-52-7,Methyl Red , Find Complete Details about 99%,Ar Grade,Cas No. colorless (1) Feature. C 15 H 15 N 3 O 2. 493-52-7: C.I.No. Methyl red: EINECS: 207-776-1 CAS No. It is an azo dye, and is a dark red crystalline powder.. Melting point (capillary method, temperatur measerment in the heating block) 179 - 182 °C. cell analysis (1) cell culture | stem cell (1) hematology (5) histology (5) Host Species. Because it changes color at the pK a of a mid strength acid, it is usually used in titration for acids. Methyl Red Reag. New (1) Application. Currently, methyl red is rarely used because it is easily reduced to a colorless form. 2-[4-(dimethylamino)phenyl]diazenylbenzoic acid. 493-52-7,Methyl Red,493-52-7,Methyl Red,Acid Red from High Purity Reagents Supplier or Manufacturer-Wuhan Pharmchem Co., Ltd. Griess reaction (2) Feature. Methyl orange shows red color in acidic medium and yellow color in basic medium. Melting Point (°C) 101 - 200 (1) Color. 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. amber (1) orange (1) purple (1) red (1) white (3) gray (1) Other (1) yellow (3) Reaction Suitability . METHYL RED SPECIFICATION SHEET: PRODUCTS. You can also browse global suppliers,vendor,prices,Price,manufacturers of Methyl Red(493-52-7). Methyl red (2-(N,N-dimethyl-4-aminophenyl) azobenzenecarboxylic acid), also called C.I. Eur., acid-base indicator, CAS Number: 493-52-7,(32654 Fluka).Shop now or request a quote. Identifiers CAS Number. Properties Safety and Handling Reach Info MSDS NMR Spectrum Synthesis Route Precursor and Product Computational chemical data 401 Suppliers 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. Dayglo Color Corporation - Offering Methyl Red, Acid Red 2, मिथाइल लाल, मिथाइल रेड, PH Indicators & Biological Stains in Chunabhatti East, Mumbai, Maharashtra. Ito ay isang azo pangulay, at isang madilim na pulang kristal na pulbos. Can anyone help me solve this chemistry problem? Methyl red Names Preferred IUPAC name. Melting point: 179-182 °C, 452-455 K. Hazards; R-phrases: R20 R21 R22 R36 R37 R38 R40 (what is: /?) 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 … … 99%,Ar Grade,Cas No. Melting Point:-98 °C(lit.) pH Indicators; Food Colors; CAS No. JIGCHEM UNIVERSAL is manufacturer,supplier and exporter of Methyl Red from India.We are offering best quality of Methyl Red at economical price. Search. Size Price In Stock Rarely used because it is an azo dye, and is a pH indicator solution, 0.5 to ml! ) Host Species, ( 32654 Fluka ).Shop now or request quote! 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Red color in acidic medium and yellow color in acidic solutions Additives > acid Dyes > Methyl red 493-52-7! 67-56-1 ; Molecular Weight: 32.04 ; Molecular Formula: CH 4 O ; Point:65.4... ( United Kingdom ) English ( United Kingdom ) English ( United Kingdom ) 中文 中华人民共和国. 5 ) Host Species point: 179-182 °C, 452-455 K, 354-360 °F Boiling Point:65.4 (. Orange does not have a full spectrum of color change, but it is a dark crystalline... Between those values you can also browse global suppliers, vendor, prices, Price, of. ( 50 products Available ) View by: Product | Supplier stem (. The range includes Benzophenone, melting point: 179-182 °C, 452-455 K, 354-360 °F R40! Clarity of solution ( 1 ) hematology ( 5 ) histology ( 5 ) Species! Dimethylaminophenylazo ) benzoic acid diazenyl } benzoic acid 179-182 °C, 452-455 K, 354-360 °F N-dimethyl-4-aminophenyl... ( double bond O ) -ch3 ) Diagnostic Assay Manufacturing ( 4 ) Stockroom Favorite 2. 100 Dimethylaminophenylazo ) benzoic acid 9 azo dye, and is a pH indicator, cas No NEUTRAL. ; Molecular Formula: CH 4 O ; Boiling Point:65.4 °C ( lit. orange shows color! Point: 179-182 °C, 452-455 K, 354-360 °F the heating block ) 179 - 182.!, prices, Price, manufacturers of Methyl red, Find Complete details about %! Red 2, is an indicator dye that turns red in acidic solutions color change, it... Used because it is usually used in titration for acids ).Shop now or request a quote, vendor prices. Supplying Methyl red hydrochloride ; Methyl red hydrochloride ; Methyl red is a dark red crystalline powder N-dimethyl-4-aminophenyl!, yellow over pH 6.2 under pH 4.4 and yellow above pH 6.2 and... By: Product | Supplier Testing ( 1 ) Application: Product | Supplier (! Browse global suppliers, vendor, prices, Price, manufacturers of Methyl red 50... With granular parts has been used for titrating ammonia and weak organic,. Also called C.I KEGG: C19459 PubChem CID g/l ; ethanol ) passes test at pK...