HomeMCPWorkbenchSkills
HomeWorkbenchNotificationsMe
Huagongshe Open Program:[email protected]AI access: llms.txt · MCP GuidePrivacy Policy · Terms of Service · Supportv1.7.8
Back
HuagongsheHuagongshe Chemistry Print Report · For research reference only
HCID 638113Generated: October 27, 2026

(Methylthio)acetaldehyde dimethyl acetal

2-(Methylthio) · 1,1-DIMETHOXY-2-(METHYLTHIO)ETHANE · (2,2-dimethoxyethyl)(methyl)sulfane · Ethane,1,1-diMethoxy-2-(Methylthio)- · 1,1-Dimethoxy-2-methylsulfanylethane · (METHYLTHIO)ACETALDEHYDE DIMETHYL ACETAL · (Methylthio)acetaldehydeDimethylAcetal>(METHYLMERCAPTO)ACETALDEHYDE DIMETHYL ACETAL · (Methylthio)acetaldehyde diMethyl acetal 97%

https://huagongshe.com/en/chemical/638113

(Methylthio)acetaldehyde dimethyl acetal molecular structure

Identifiers & Physical Properties

CAS No.40015-15-4
Molecular formulaC5H12O2S
Average molar mass136.21 g/mol
Monoisotopic mass136.05580079 g/mol
SMILESCOC(CSC)OC
InChIKeyDVOAQLUDKIFSNB-UHFFFAOYSA-N
PubChem CID638113
EC No.628-705-4
DTXSIDDTXSID90348544

Chemical & Physical Properties

XLogP0.7
Topological polar surface area43.8
Hydrogen bond donors0
Hydrogen bond acceptors3
Rotatable bonds4
Heavy atoms8
Formal charge0
Complexity45
Boiling point59-60 °C13 mm Hg(lit.)
Density1.022 g/mL at 25 °C(lit.)
Refractive indexn20/D 1.4528(lit.)
Flash point−2 °F
Storage conditions2-8°C, stored under nitrogen
Physical stateLiquid
ColorClear colorless
BRN773689
LogP (partition coefficient)1.146 (est)
CAS DataBase Reference40015-15-4(CAS DataBase Reference)
UNSPSC Code12352100
GHS pictogramGHS02,GHS07
Signal wordDanger
GHS hazard statementsH226-H225-H315-H319-H335
GHS precautionary statementsP210-P261-P305+P351+P338
Hazard symbolsF,Xi
Risk statements (R)11-36/37/38
Safety statements (S)16-26-36/37/39
UN transport numberUN 1993 3/PG 2
Water hazard class (WGK)3
Hazard class3
Packing groupII
Customs code29309099
Limited quantities1.0 L (0.3 gallon) (liquid)
Excepted quantitiesMax Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)

Safety & Regulations

GHS classificationDangerH225 (91.3%): Highly Flammable liquid and vapor [Danger Flammable liquids]H315 (91.3%): Causes skin irritation [Warning Skin corrosion/irritation]H319 (100%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]H335 (97.8%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposureRespiratory tract irritation]P210, P233, P240, P241, P242, P243, P261, P264, P264+P265, P271, P280, P302+P352, P303+P361+P353, P304+P340, P305+P351+P338, P319, P321, P332+P317, P337+P317, P362+P364, P370+P378, P403+P233, P403+P235, P405, and P501 (click each P-code to see the statement)Aggregated GHS information provided per 46 reports by companies from 6 notifications to the ECHA C&L Inventory. Each notification may be associated with multiple companies.Information may vary between notifications depending on impurities, additives, and other factors. The percentage value in parenthesis indicates the notified classification ratio from companies that provide hazard codes. Only hazard codes with percentage values above 10% are shown. For more detailed information, please visit ECHA C&L website.
Hazard Classes and CategoriesFlam. Liq. 2 (91.3%)Skin Irrit. 2 (91.3%)Eye Irrit. 2 (100%)STOT SE 3 (97.8%)
Water hazard class (WGK)3
UN transport numberUN 1993 3/PG 2
Customs code29309099
Risk statements (R)11-36/37/38
Signal wordDanger
GHS pictogramGHS02,GHS07
Hazard symbolsF,Xi
Safety statements (S)16-26-36/37/39
Hazard class3
Packing groupII
GHS hazard statementsH226-H225-H315-H319-H335
Limited quantities1.0 L (0.3 gallon) (liquid)
Excepted quantitiesMax Inner Pack (30g or 30ml) and Max Outer Pack (500g or 500ml)
GHS precautionary statementsP210-P261-P305+P351+P338

Applications & Uses

Uses

(Methylthio)acetaldehyde dimethyl acetal may be used in chemical synthesis studies.