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structure of 674-82-8

Acetyl Ketene(CAS 674-82-8)

CAS No.: 674-82-8 Brand: MolBest
M. Ft.: C4H4O2 Cat. No: G5706830
M. Wt.: 84.07 MDL: MFCD00005173
Storage: -20°C Use: For laboratory research use only
UN No.: UN 2929 6.1 /PG II
Purity Grade Package Stock Price Quantity
97%
Documents:COANMRGCMSSDS
RG 5G In Stock 5 USD
97%
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RG 25G In Stock 11 USD
97%
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RG 100G In Stock 27 USD
97%
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RG 500G In Stock 115 USD
97%
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RG 2.5KG In Stock 362 USD
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Applications of 674-82-8

Diketene has diverse applications across various industries:

  • Pharmaceuticals: It serves as a key intermediate in the synthesis of various drugs and biologically active compounds.
  • Agricultural Chemicals: Diketene derivatives are used in the formulation of herbicides and pesticides.
  • Paints and Coatings: Its reactivity contributes to the production of specific types of resins used in paints and coatings.

Physical and chemical properties of 674-82-8

Boiling Point

127 °C

Decomposition

Begins to react and decompose exothermically at 208 °F (98 °C) or lower if contaminated.

Density

Relative density of the vapour/air-mixture at 20 °C (air = 1): 1.02

Exact Mass

84.021126

Flash Point

33 °C c.c.

Index of Refraction

Index of refraction: 1.439 at 20 °C/D

LogP

log Kow = -0.39 (est)

Melting Point

-7 °C

Molecular Formula

C4H4O2

Molecular Weight

84.073

Odor

Pungent odor

PSA

26.30000

Stability

Self-initiated exotermic dimerization is explosive.

Storage condition

2-8°C

Vapour density

Relative vapor density (air = 1): 2.9

Vapour Pressure

Vapor pressure, kPa at 20 °C: 1

Spectrums of 674-82-8

Attention:
1.The NMR spectrum displayed on the page is a pre-sale reference spectrum and may differ from that of the actual received batch.
2.The accompanying documentation will include the NMR spectrum and purity analysis data for the shipped batch.
Physical sample testing spectrum (NMR) of 674-82-8

Retrosynthesis analysis of 674-82-8


Q&A for CAS 674-82-8

1. How can I verify product quality?
Every batch of our Chemical Reagents is tested to meet ISO 9001 standards. We provide COA & NMR & SDS Provided with each shipment. Batch COA available for verification, and third-party retesting is supported. A full refund is offered if our data is incorrect.

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Hazardous products are labeled and packaged following international regulations. We provide SDS Provided with all hazardous shipments to ensure safe and compliant transport.

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Yes, samples are available for selected Lab Grade products. Please submit a request to confirm availability and specifications.

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Download SDS of 674-82-8

Pictograms

Signal Word

Danger

Hazard Statements

H226 Flammable liquid and vapor
H302 Harmful if swallowed
H315 Causes skin irritation
H318 Causes serious eye damage
H330 Fatal if inhaled
H331 Toxic if inhaled
H332 Harmful if inhaled
H335 May cause respiratory irritation

Safety Data Sheet

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Operate under the ISO 9001 system