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LIGNYL ACETATE (also known as Nopol acetate or Nopyl acetate) is a bicyclic terpene derivative formed during the deamination of nopylamine hydrochloride in acetic acid. It is one of several products identified in the reaction, alongside other acetoxylated and rearranged bicyclic compounds. The study highlights its formation as part of a broader mechanistic exploration of carbocation rearrangements, where the choice of leaving group (e.g., amine vs. toluene-p-sulfonate) significantly influences the reaction pathway and product distribution. Analytical techniques such as NMR and mass spectrometry were used to confirm its structure and role in the reaction.

128-51-8

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Basic information
1. Product Name: LIGNYL ACETATE
2. Synonyms: 2-NORPINENE-2-ETHANOL,6,6-DIMETHYL:ACETATE;LIGNYL ACETATE;NOPYL ACETATE;2-(6,6-Dimethylbicyclo[3.1.1]hept-2-en-2-yl)ethyl acetate;2-Pinene-10-methyl acetate;2-pinene-10-methylacetate;6,6-dimethyl-2-norpinene-2-ethanoacetate;6,6-Dimethyl-2-norpinene-2-ethanol, acetate
3. CAS NO:128-51-8
4. Molecular Formula: C₁₃H₂₀O₂
5. Molecular Weight: 208.3
6. EINECS: 204-891-9
7. Product Categories: N/A
8. Mol File: 128-51-8.mol
Chemical Properties
1. Melting Point: N/A
2. Boiling Point: 253 °C(lit.)
3. Flash Point: >230 °F
4. Appearance: /
5. Density: 0.98 g/mL at 25 °C(lit.)
6. Vapor Pressure: 0.00751mmHg at 25°C
7. Refractive Index: n20/D 1.472(lit.)
8. Storage Temp.: N/A
9. Solubility: N/A
10. CAS DataBase Reference: LIGNYL ACETATE(CAS DataBase Reference)
11. NIST Chemistry Reference: LIGNYL ACETATE(128-51-8)
12. EPA Substance Registry System: LIGNYL ACETATE(128-51-8)
Safety Data
1. Hazard Codes: N/A
2. Statements: N/A
3. Safety Statements: N/A
4. WGK Germany: 3
5. RTECS:
6. HazardClass: N/A
7. PackingGroup: N/A
8. Hazardous Substances Data: 128-51-8(Hazardous Substances Data)

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128-51-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128-51-8 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 1,2 and 8 respectively; the second part has 2 digits, 5 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 128-51:
(5*1)+(4*2)+(3*8)+(2*5)+(1*1)=48
48 % 10 = 8
So 128-51-8 is a valid CAS Registry Number.

InChI:InChI=1/C13H20O2/c1-9(14)15-7-6-10-4-5-11-8-12(10)13(11,2)3/h4,11-12H,5-8H2,1-3H3

128-51-8SDS

SAFETY DATA SHEETS

According to Globally Harmonized System of Classification and Labelling of Chemicals (GHS) - Sixth revised edition

Version: 1.0

Creation Date: Aug 17, 2017

Revision Date: Aug 17, 2017

1.Identification

1.1 GHS Product identifier

Product name	2-(6,6-dimethyl-4-bicyclo[3.1.1]hept-3-enyl)ethyl acetate

1.2 Other means of identification

Product number	-
Other names	2-Pinene-10-methyl acetate

1.3 Recommended use of the chemical and restrictions on use

Identified uses	For industry use only.
Uses advised against	no data available

1.4 Supplier's details

1.5 Emergency phone number

Emergency phone number	-
Service hours	Monday to Friday, 9am-5pm (Standard time zone: UTC/GMT +8 hours).

More Details:128-51-8 SDS

128-51-8Upstream product

128-51-8Downstream Products

128-50-7 nopol

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