Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
Price: Check
Purity: 98.0%
Stocking Period: 10 Day
Contact: Yang
Email: sales@echemcloud.com

Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 2H-PYRAN-2,6(3H)-DIONE, DIHYDRO-3,4-DIMETHYL-
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

138500-84-2

138500-84-2 structure

138500-84-2 structure

Name: 2H-PYRAN-2,6(3H)-DIONE, DIHYDRO-3,4-DIMETHYL-
Chemical Name: 3,4-Dimethyldihydro-2H-pyran-2,6(3H)-dione
CAS Number: 138500-84-2
Molecular Formula: C₇H₁₀O₃
Molecular Weight: 142.152
Create Date: 2021-09-11 13:08:19
Modify Date: 2025-08-25 20:05:29

Names
Properties

Name	3,4-Dimethyldihydro-2H-pyran-2,6(3H)-dione
Synonyms	2H-Pyran-2,6(3H)-dione, dihydro-3,4-dimethyl- 3,4-Dimethyldihydro-2H-pyran-2,6(3H)-dione

Density	1.1±0.1 g/cm3
Boiling Point	246.5±9.0 °C at 760 mmHg
Molecular Formula	C₇H₁₀O₃
Molecular Weight	142.152
Flash Point	109.9±15.9 °C
Exact Mass	142.062988
LogP	0.07
Vapour Pressure	0.0±0.5 mmHg at 25°C
Index of Refraction	1.439

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