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Name	3,9-Divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane	EINECS	201-092-7
CAS No.	78-19-3	Density	1.251
PSA	36.92000	LogP	1.09060
Solubility	N/A	Melting Point	43-46 ºC
Formula	C11H16 O4	Boiling Point	108-110 ºC (2 mmHg)
Molecular Weight	212.246	Flash Point	113 ºC
Transport Information	N/A	Appearance	white crystals or crystalline mass
Safety	Poison by intravenous route. Mildly toxic by ingestion and skin contact. When heated to decomposition it emits acrid smoke and irritating fumes.	Risk Codes	N/A
Molecular Structure		Hazard Symbols	N/A
Synonyms	2,4,8,10-Tetraoxaspiro[5.5]undecane,3,9-divinyl- (6CI,7CI,8CI); 3,9-Divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane;Acrolein, cyclic diacetal with pentaerythritol; Acrolein, cyclicneopentanetetrayl acetal; Diallylidene pentaerythritol; NSC 7585;Pentaerythritol diacrolein acetal	Article Data	11

3,9-Divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane Chemical Properties

Molecule structure of 3,9-Divinylspirobi(m-dioxane) (CAS NO.78-19-3) :

IUPAC Name: 3,9-bis(ethenyl)-2,4,8,10-tetraoxaspiro[5.5]undecane
Molecular Weight: 212.24234 g/mol
Molecular Formula: C₁₁H₁₆O4
Density: 1.11 g/cm³
Melting Point: 43-46 °C(lit.)
Boiling Point: 284.4 °C at 760 mmHg
Flash Point: 106.6 °C
Index of Refraction: 1.493
Molar Refractivity: 55.35 cm³
Molar Volume: 190.2 cm3
Polarizability: 21.94*10^-24 cm³
Surface Tension: 35.2 dyne/cm
Enthalpy of Vaporization: 50.24 kJ/mol
Vapour Pressure: 0.00512 mmHg at 25 °C
XLogP3-AA: 0.8
H-Bond Acceptor: 4
Rotatable Bond Count: 2
Exact Mass: 212.104859
MonoIsotopic Mass: 212.104859
Topological Polar Surface Area: 36.9
Heavy Atom Count: 15
Complexity: 206
Canonical SMILES: C=CC1OCC2(CO1)COC(OC2)C=C
InChI: InChI=1S/C11H16O4/c1-3-9-12-5-11(6-13-9)7-14-10(4-2)15-8-11/h3-4,9-10H,1-2,5-8H2
InChIKey: OOXMQACSWCZQLX-UHFFFAOYSA-N
EINECS: 201-092-7
Product Categories: Dioxanes;Dioxanes & Dioxolanes;Acyclic;Alkenes;Organic Building Blocks

3,9-Divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane Toxicity Data With Reference

1.	orl-rat LD50:4066 mg/kg	AIHAAP American Industrial Hygiene Association Journal. 30 (1969),470.
2.	ivn-mus LD50:320 mg/kg	CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) NX#01186 .
3.	skn-rbt LD50:9908 mg/kg	AIHAAP American Industrial Hygiene Association Journal. 30 (1969),470.

3,9-Divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane Safety Profile

Poison by intravenous route. Mildly toxic by ingestion and skin contact. When heated to decomposition it emits acrid smoke and irritating fumes.
WGK Germany: 2
RTECS: XF0875000

3,9-Divinyl-2,4,8,10-tetraoxaspiro[5.5]undecane Specification

3,9-Divinylspirobi(m-dioxane) (CAS NO.78-19-3) is also called 3,9-Divinyl-2,4,8,10-tetraoxaspiro(5.5)undecane ; 5-19-11-00375 (Beilstein Handbook Reference) ; AI3-24999 ; Acrolein pentaerythritol bisacetal ; Acrolein, cyclic diacetal with pentaerythritol ; Acrolein, cyclic neopentanetetrayl acetal ; Acrolein-pentaerythritol dicyclic acetal ; BRN 0149330 ; Diallylidene pentaerythritol ; NSC 7585 ; Pentaerythritol diacrolein acetal ; 2,4,8,10-Tetraoxaspiro(5,5)undecane, 3,9-diethenyl- (9CI) ; 2,4,8,10-Tetraoxaspiro(5.5)undecane, 3,9-divinyl- . 3,9-Divinylspirobi(m-dioxane) (CAS NO.78-19-3) is white crystals or crystalline mass.

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