Himic anhydride

Details:

 
1. Introduction of Himic anhydride

Himic anhydride (CAS NO.826-62-0) is one kind of light yellow liquid. 3a,4,7,7a-tetrahydro-4,7-methano-2-benzofuran-1,3-dione is the systematic name of this product. Besides, it belongs to Norbornene Derivatives.

Our Himic anhydride can be 99%. It can be packaged in plastic drum or iron drum. We can delivery it in two days. It can be sent from dongguan by air or sea. We have the production capacity of 100 metric ton per month. But its min. measurement is 1 kilogram. What's more, we can accept the L/C, D/P, T/T, Westem Unoin, MoneyGram.

2. Basic information of Himic anhydride

1) Properties

(1)# of Rule of 5 Violations: 0; (2)ACD/BCF (pH 5.5): 1; (3)ACD/BCF (pH 7.4): 1; (4)ACD/KOC (pH 5.5): 20.96; (5)ACD/KOC (pH 7.4): 20.96; (6)#H bond acceptors: 3; (7)#H bond donors: 0; (8)#Freely Rotating Bonds: 0; (9)Polar Surface Area: 43.37 Ų; (10)Index of Refraction: 1.584; (11)Molar Refractivity: 39.08 cm³; (12)Molar Volume: 116.78 cm³; (13)Polarizability: 15.493×10^-24cm³; (14)Surface Tension: 50.991 dyne/cm; (15)Density: 1.406 g/cm³; (16)Flash Point: 163.801 °C; (17)Enthalpy of Vaporization: 57.369 kJ/mol; (18)Boiling Point: 331.056 °C at 760 mmHg; (19)Vapour Pressure: 0 mmHg at 25°C.

2) The following information could be converted into the structure:

(1)InChI: InChI=1S/C9H8O3/c10-8-6-4-1-2-5(3-4)7(6)9(11)12-8/h1-2,4-7H,3H2
(2)InChIKey: KNDQHSIWLOJIGP-UHFFFAOYSA-N
(3)Canonical SMILES: C1C2C=CC1C3C2C(=O)OC3=O
(4)SMILES: C1C2C=CC1C3C2C(=O)OC3=O

3) Applications of Himic anhydride

Himic anhydride and ethanol can be reacted to produce (+-)-norborn-5-ene-2endo,3endo-dicarboxylic acid monoethyl ester. The detailed reaction is as follows: