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Acetaldehyde

CAS 75-07-0CH3CHOChemical Synthesis

Acetaldehyde (CAS 75-07-0), also known as ethanal, is a volatile organic compound with the chemical formula CH3CHO and a molecular weight of 44.05 g/mol. This highly reactive aldehyde is a critical building block in organic synthesis and is employed in the production of various chemicals, including acetic acid, resins, and perfumes. Its distinct pungent odour signifies its presence in various industrial processes and natural occurrences.

IUPAC
Ethanal
Synonyms
EthanalEthyl aldehydeAcetyl aldehydeAcetic aldehydeChloroacetaldehyde dimethyl acetalethylaldehydeAldehyde C2
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Acetaldehyde (CH3CHO) — chemical structure, CAS 75-07-0; Chemistry, fine chemical supplied by Tech Serve Solutions
Puriss p.a.AcaciaAldehydesAllium sativum (Garlic)Analytical ReagentsAnalytical/ChromatographyBuilding BlocksC1 to C6Carbonyl CompoundsCell Biology
01 /Applications

Chemical Synthesis Intermediate

Acetaldehyde serves as a fundamental intermediate in the synthesis of a wide range of organic compounds. It is a key precursor in the large-scale production of acetic acid, pyridine derivatives, and pentaerythritol.

Resin Production

The compound is utilised in the manufacturing of various resins, including acetaldehyde-ammonia resins and urea-formaldehyde resins. These resins find applications in adhesives, coatings, and moulding compounds.

Fragrance and Flavour Industry

Acetaldehyde is used in the formulation of certain fragrances and flavourings due to its characteristic aroma. It contributes to the scent profiles of some perfumes and the taste notes in specific food products, albeit in controlled concentrations.

Solvent Applications

In specific industrial contexts, acetaldehyde can function as a solvent. Its ability to dissolve various organic materials makes it useful in certain extraction and purification processes.

02 /Properties
Molecular weight44.05
Linear formulaCH3CHO
Assay≥99.5%
Gradepuriss. p.a.
Boiling point21 °C(lit.)
Density0.785 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.332(lit.)
Melting point−125 °C(lit.)
Concentration1000 μg/mL in H2O
Vapour pressure14.63 psi (20 °C)
Vapour density1.52 (vs air)
Autoignition temp365 °F
Storage temperature2-8°C
Impurities tested≤0.008 meq/g Titr. acid
03 /Safety & handling
GHS hazard pictogram: Flammable (GHS02)
Flammable
GHS hazard pictogram: Harmful / irritant (GHS07)
Harmful / irritant
GHS hazard pictogram: Health hazard (GHS08)
Health hazard
Danger

Hazard statements

  • H224Extremely flammable liquid and vapour
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation
  • H351Suspected of causing cancer

Precautionary statements

  • P210Keep away from heat, sparks and open flames. No smoking
  • P261Avoid breathing dust, fume, gas or vapours
  • P281Use personal protective equipment as required
  • P305IF IN EYES
Protective equipmentEyeshields, Faceshields, full-face respirator (US), Gloves, multi-purpose combination respirator cartridge (US)
Flash point-40 °C / -40 °F
Transport (UN / ADR)UN 1089 3 / PGI
Water hazard class (WGK, DE)1
Hazard codes (EU)F+,Xn
Risk statements (R)12-36/37-40
Safety statements (S)16-33-36/37

Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.

04 /Identifiers & registry
CAS number
75-07-0
MDL number
MFCD00006991
PubChem substance
24844966
Beilstein registry
505984
05 /Additional specifications
Qualityanhydrous
Expl Lim60 %
Evapn Residue≤0.005%
06 /Quality & supply

Documentation

Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.

Supply & logistics

Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.

07 /Frequently asked questions

What is Acetaldehyde used for?

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Acetaldehyde is a vital intermediate in organic synthesis, used in the production of acetic acid, resins, perfumes, and as a solvent in certain applications.

What is the CAS number and chemical formula for Acetaldehyde?

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The CAS number for Acetaldehyde is 75-07-0, and its chemical formula is CH3CHO.

What grade and purity does Tech Serve Solutions supply for Acetaldehyde?

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Tech Serve Solutions supplies Acetaldehyde with an assay of ≥99.5% and a grade of puriss. p.a. anhydrous. This product is intended for laboratory and industrial use and is not represented as USP, BP, EP, or other pharmacopoeial grades.

How should Acetaldehyde be handled safely?

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Acetaldehyde is an extremely flammable liquid and vapour (H224). It can cause serious eye irritation (H319) and may cause respiratory irritation (H335). It is also suspected of causing cancer (H351). Handle in a well-ventilated area, away from ignition sources, using appropriate personal protective equipment including eyeshields, gloves, and a full-face respirator with a suitable cartridge.

How is Acetaldehyde packed, shipped, and exported by TSS?

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Acetaldehyde is carefully packed according to international regulations for hazardous materials, ensuring safe shipping and export. Please contact our logistics department for specific details regarding your region.

How can I request a sample or a quote for Acetaldehyde?

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To request a sample or a quote for Acetaldehyde, please use the 'Request Quote' button on our product page or contact our sales team directly with your requirements.

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