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: (+)-2,3-O-Isopropylidene-L-threitol
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

50622-09-8

50622-09-8 structure

50622-09-8 structure

Name: 2,3-O-isopropylidene-L-threitol
Chemical Name: (4S,5S)-(+)-4,5-Bis(hydroxymethyl)-2,2-dimethyl-1,3-dioxolane
CAS Number: 50622-09-8
Molecular Formula: C₇H₁₄O₄
Molecular Weight: 162.184
Catalog: Biochemical Carbohydrate Monosaccharide
Create Date: 2018-12-03 11:26:57
Modify Date: 2026-06-30 10:32:32

Name	(4S,5S)-(+)-4,5-Bis(hydroxymethyl)-2,2-dimethyl-1,3-dioxolane
Synonyms	(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol,e.e (+)-2,3-O-Isopropylidene-L-threitol (4S,5S)-(+)-2,2-DIMETHYL-1,3-DIOXOLANE-4,5-DIMETHANOL (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol >= (sum of enantiomers [(4S,5S)-5-(hydroxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]methanol L(+)-2,2-DIMETHYL-1,3-DIOXOLANE-4,5-DIMETHANOL (+)-2,3-O-Isopropylidene-L-threitol> 2,3-O-ISOPROPYLIDENE-L-THREITOL (4S,5S)-(+)-4,5-Bis(hydroxymethyl)-2,2-dimethyl-1,3-dioxolane (4S,5S)-(+)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol [(4S,5S)-5-(Hydroxymethyl)-2,2-dimethyl-1,3-dioxolan-4-yl]methanol (4S,5S)-4,5-BIS(HYDROXYMETHYL)-2,2-DIMETHYL-1,3-DIOXOLANE (+)-2,3-O-Isopropylidene-L-threitol //BP (4S)-2,2-Dimethyl-1,3-dioxolane-4β,5α-bismethanol ((4S,5S)-2,2-dimethyl-1,3-dioxolane-4,5-diyl)dimethanol (4S,5S)-4,5-DIHYDROXYMETHYL-2,2-DIMETHYLDIOXOLANE (+)-2-O,3-O-Isopropylidene-L-threitol MFCD00063761 1,3-Dioxolane-4,5-dimethanol, 2,2-dimethyl-, (4S-trans) (4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol 2,3-O-Isoproylidene-L-threitol (4S-TRANS)-2,2-DIMETHYL-1,3-DIOXOLANE-4,5-DIMETHANOL EINECS 256-658-6 [(4S,5S)-2,2-Dimethyl-1,3-dioxolane-4,5-diyl]dimethanol (4S,5S)-(+)-2,2-Dimethyl-1,3-dioxolane-4,5-dimethanol (4S,5S)-2,2-DIMETHYL-1,3-DIOXOLANE-4,5-DIMETHANOL (S,S)-(+)-2,3-O-ISOPROPYLIDENE-L-THREITOL 2-O,3-O-Isopropylidene-L-threitol 1,3-Dioxolane-4,5-dimethanol, 2,2-dimethyl-, (4S,5S) (+)-2,3-O-ISOPROPYLIDENE-L-TREITOL (4S,5S)-(+)-4,5-BIS(HYDROXYMETHYL)-2,2-DIMETHYL-1,3-DIOXOLANE

Density	1.1±0.1 g/cm3
Boiling Point	335.9±0.0 °C at 760 mmHg
Melting Point	46-50 °C
Molecular Formula	C₇H₁₄O₄
Molecular Weight	162.184
Flash Point	111.9±20.4 °C
Exact Mass	162.089203
PSA	58.92000
LogP	-0.01
Vapour Pressure	0.0±1.6 mmHg at 25°C
Index of Refraction	1.443
Water Solubility	soluble

Personal Protective Equipment	Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter
Safety Phrases	S22-S24/25
RIDADR	NONH for all modes of transport
WGK Germany	3
HS Code	29329970

Precursor 8
37031-29-1 59779-75-8 104863-91-4 108817-96-5
83529-40-2 81327-47-1 77-76-9 98-88-4
DownStream 6
32305-98-9 37002-45-2 70831-49-1 2319-57-5
149-32-6 58342-57-7

HS Code	2932999099
Summary	2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

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