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Home> Products > Metals and Minerals > Mineral > CAS DataBase Listed 5 > CAS 50-00-0
50-00-0 structure 3D

CAS 50-00-0 products price,suppliers

  • Name: 2H-Pyran-2-one,6-methyl-3-(3-methylphenyl)-4-[4-(methylsulfonyl)phenyl]-
  • Molecular Weight: 30.026
  • Formula: C21H20O4S
  • Synonyms: aldeideformica; CH2O; Chloditan; Chlodithan; Chlodithane; dormol;
  • Formaldehyde is colorless gas with a very distinct, pungent odor. It is highly soluble in water and in a variety of organic solvents. It has the potential to react explosively with peroxides and nitrogen oxide.Formalin, the aqueous form of formaldehyde, is a colorless liquid with a very distinct, pungent odor. It is incompatible and may react with strong oxidizers, alkalis,and acids. The liquid has a variable molecular weight, which is dependent on the specific aqueous formulation. For
Properties Safety and Handling MSDS NMR Spectrum Synthesis Route Precursor and Product Computational chemical data
Identification
Safety Data
  • [Risk Codes]
  • R23/24/25:Toxic by inhalation, in contact with skin and if swallowed
  • R34:Causes burns
  • R40:Limited evidence of a carcinogenic effect
  • R43:May cause sensitization by skin contact
  • [Safety Statements]
  • S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice
  • S36/37/39:Wear suitable protective clothing, gloves and eye/face protection
  • S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible)
  • S51:Use only in well-ventilated areas
  • Hazard Symbols:
  • HazardClass:3
Properties
  • Appearance:
  • colorless gas
  • Molecular Weight:
  • 30.026
  • Boiling Point:
  • 347.4°C at 760 mmHg
  • Melting Point:
  • -15℃
  • Storage Temperature:
  • 2-8°C
  • Refractive index:
  • 1.3755-1.3775
  • Solubility:
  • soluble in water
  • Stability:
  • On standing, especially in the cold, may become cloudy, and on exposure to very low temperature ppt of trioxymethylene formed; in air it slowly oxidizes to formic acid /40% solution/.
  • More Properties>>
Question & Answer
  • Formaldehyde safety levels I've obtained a simple air quality analyzer which measures several items, formaldehyde concentration among them. While I cannot vouch for its correctness, I found the values measured during the last few days worth asking about. Wherever I go, the analyzer measures higher than ideal levels of formal...more+ Oct 13 2021
  • Can formaldehyde be stored at a higher temperature than room temperature? I have studied that formaldehyde stored at temperature lower than room temperature convert into 1,3,5-oxane. So, it's not stored at colder temperatures. But my question is - Can a similar degrading reaction happen if methanal is stored at temperature higher than room temperature? more+ Aug 04 2021
  • Haloperidol synthesis - 1-chloro-4-(prop-1-en-2-yl)benzene with NH4Cl and formaldehyde However I have no idea how the first two steps work. Especially the first step makes me wonder how the amine and the aldehyde form the 1,3-oxazinane. Suggestions: Ammonia and formaldehyde form via condensation the imine. The imine and formaldehyde form the 1,3-oxazinane, however I looks kinda wrong...more+ Jul 28 2021
  • Testing for the presence of Hexamethylenetetramine / Formaldehyde [duplicate] I don't believe the premise that E239 (the E number designated to hexamethylene tetramine) is used to preserve fish within the EU is correct - in January, 2014, the European Food Safety Authority published an article in their journal about this preservative where it states quite clearly that the on...more+ Jul 17 2021
Upstream Product Downtream information
There are 26 suppliers who can provide 2H-Pyran-2-one,6-methyl-3-(3-methylphenyl)-4-[4-(methylsulfonyl)phenyl]- with CAS No. 50-00-0
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