Skip to Content

Dear Customer:

The current international situation is complex and volatile, and uncertain tariff policies may potentially impact our product prices. Given these uncertainties, we value your understanding regarding order-related matters.

If you decide to place an order during this period, we reserve the right to adjust the price based on the evolving situation. We understand that market changes may cause inconvenience. We will negotiate with you if there’s a significant price fluctuation due to tariff policy changes before the order’s actual delivery, and in such cases we may adjust or cancel the order as necessary.

For important updates on recent policy changes, please click here for more details.

Merck
CN
All Photos(1)

Key Documents

View All Documentation

Safety Information

402788

Sigma-Aldrich

Acetaldehyde

ACS reagent, ≥99.5%

Synonym(s):

Ethanal

Sign Into View Organizational & Contract Pricing

Select a Size

5 MG
CN¥1,978.95
25 MG
CN¥6,372.41

CN¥1,978.95

Please contact Customer Service for Availability
Request a Bulk Order
All Photos(1)

Select a Size

Change View
5 MG
CN¥1,978.95
25 MG
CN¥6,372.41

About This Item

Linear Formula:
CH3CHO
CAS Number:
75-07-0
Molecular Weight:
44.05
Beilstein:
505984
EC Number:
200-836-8
MDL number:
MFCD00006991
UNSPSC Code:
12352100
eCl@ss:
39021102
PubChem Substance ID:
24865119
NACRES:
NA.21

CN¥1,978.95

Please contact Customer Service for Availability
Request a Bulk Order

biological source

synthetic

Quality Level

200

grade

ACS reagent

vapor density

1.52 (vs air)

vapor pressure

14.63 psi ( 20 °C)

Assay

≥99.5%

form

liquid

autoignition temp.

365 °F

expl. lim.

60 %

impurities

≤0.008 meq/g Titr. acid

Looking for similar products? Visit Product Comparison Guide

Related Categories

Compare Similar Items

View Full Comparison

Show Differences

1 of 4

This Item
MXRPWRSPZAMXRPWRSPUKMXRPWRSPBR
Millipore

MXRPWRSPUS

Milliflex® Rapid System 2.0 power supply

Millipore

MXRPWRSPZA

Milliflex® Rapid System 2.0 power supply

Millipore

MXRPWRSPUK

Milliflex® Rapid System 2.0 power supply

Millipore

MXRPWRSPBR

Milliflex® Rapid System 2.0 power supply

packaging

pkg of 1 ea

packaging

pkg of 1 ea

packaging

pkg of 1 ea

packaging

pkg of 1 ea

manufacturer/tradename

Milliflex®

manufacturer/tradename

Milliflex®

manufacturer/tradename

Milliflex®

manufacturer/tradename

Milliflex®

technique(s)

Rapid Sterility Testing: suitable

technique(s)

Rapid Sterility Testing: suitable

technique(s)

Rapid Sterility Testing: suitable

technique(s)

Rapid Sterility Testing: suitable

application(s)

bioburden testing
pharmaceutical
sterility testing

application(s)

bioburden testing
pharmaceutical
sterility testing

application(s)

bioburden testing
pharmaceutical
sterility testing

application(s)

bioburden testing
pharmaceutical
sterility testing

General description

Acetaldehyde is an industrially important solvent used as an intermediate for the synthesis of a wide range of compounds. On oxidation it forms acetic acid and ethanol on reduction.[1] The interaction of Criegee intermediate (CH2OO) with acetaldehyde has been measured.[2] Its effect as a neuroactive agent has been studied.[3] Alkynylation reaction of acetaldehyde by asymmetric catalysis has been reported.[4]

Application

Acetaldehyde may be used in the synthesis of 1,3-diamines by one-pot cross double-Mannich reaction[5] and β-amino aldehydes by proline-catalyzed Mannich reaction.[6]

accessory

Product No.
Description
Pricing

related product

Product No.
Description
Pricing

Signal Word

Danger

Hazard Statements

H224,H319,H335,H341,H350

Hazard Classifications

Carc. 1B - Eye Irrit. 2 - Flam. Liq. 1 - Muta. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

3 - Flammable liquids

WGK

WGK 3

Flash Point(F)

-38.0 °F - closed cup

Flash Point(C)

-38.89 °C - closed cup

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

危险化学品

    • Choose from one of the most recent versions:

    Certificates of Analysis (COA)

    Lot/Batch Number
    SDBB2542
    SHBS3957
    STBL3352
    SHBR6260
    SHBS0029

    Don't see the Right Version?

    If you require a particular version, you can look up a specific certificate by the Lot or Batch number.

    Search for a COA

    Already Own This Product?

    Find documentation for the products that you have recently purchased in the Document Library.

    Visit the Document Library

    Direct measurement of Criegee intermediate (CH2OO) reactions with acetone, acetaldehyde, and hexafluoroacetone.
    Taatjes CA, et al.
    Physical Chemistry Chemical Physics, 14(30), 10391-10400 (2012)
    Proline-catalysed Mannich reactions of acetaldehyde.
    Yang JW, et al.
    Nature, 452(7186), 453-455 (2008)
    One-pot cross double-Mannich reaction of acetaldehyde catalyzed by a binaphthyl-based amino sulfonamide.
    Kano T, et al.
    Chemical Communications (Cambridge, England), 49(11), 1118-1120 (2013)
    Eagleson M.
    Concise Encyclopedia Chemistry, 4-4 (1994)
    Asymmetric Catalytic Alkynylation of Acetaldehyde: Application to the Synthesis of (+)-Tetrahydropyrenophorol.
    Trost BM and Quintard A.
    Angewandte Chemie (International Edition in English), 51(27), 6704-6708 (2012)
    View All Related Papers

    Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

    Contact Technical Service