ANGELIC ANHYDRIDE
- Product Name
- ANGELIC ANHYDRIDE
- CAS No.
- 94487-74-8
- Chemical Name
- ANGELIC ANHYDRIDE
- Synonyms
- ANGELIC ANHYDRIDE;Angelic anhudride;Angelic Anhydride >Angelic Anhydride, ≥ 98.0%;Angelic anhydride 94487-74-8;2-METHYLISOCROTONIC ANHYDRIDE;CIS-2-METHYLCROTONIC ANHYDRIDE;-2-Methylbut-2-enoic anhydride;Angelic anhydride, 10 mM in DMSO;CIS-2,3-DIMETHYLACRYLIC ANHYDRIDE
- CBNumber
- CB6481690
- Molecular Formula
- C10H14O3
- Formula Weight
- 182.22
- MOL File
- 94487-74-8.mol
ANGELIC ANHYDRIDE Property
- Boiling point:
- 108 °C / 13mmHg
- Density
- 1,02 g/cm3
- refractive index
- 1.4720-1.4750
- storage temp.
- 0-10°C
- solubility
- Soluble in Chloroform,Dichloromethane,Ethyl Acetate,DMSO,Acetone,etc.
- form
- clear liquid
- color
- Colorless to Light orange to Yellow
- InChIKey
- LIHLSLRANKCHLV-SFECMWDFSA-N
Safety
- RIDADR
- 3265
- HS Code
- 2916.19.5000
- HazardClass
- 8
- PackingGroup
- III
Hazard and Precautionary Statements (GHS)
- Symbol(GHS)
-
- Signal word
- Danger
- Hazard statements
-
H290May be corrosive to metals
H314Causes severe skin burns and eye damage
- Precautionary statements
-
P234Keep only in original container.
P260Do not breathe dust/fume/gas/mist/vapours/spray.
P264Wash hands thoroughly after handling.
P264Wash skin thouroughly after handling.
P280Wear protective gloves/protective clothing/eye protection/face protection.
P390Absorb spillage to prevent material damage.
P405Store locked up.
P406Store in corrosive resistant/… container with a resistant inner liner.
P501Dispose of contents/container to..…
N-Bromosuccinimide Price
- Product number
- A1180
- Product name
- Angelic Anhydride
- Purity
- >98.0%(T)
- Packaging
- 1g
- Price
- $111
- Updated
- 2025/07/31
- Product number
- A1180
- Product name
- Angelic Anhydride
- Purity
- >98.0%(T)
- Packaging
- 5g
- Price
- $555
- Updated
- 2025/07/31
- Product number
- A637810
- Product name
- Angelic Anhydride
- Packaging
- 10mg
- Price
- $165
- Updated
- 2021/12/16
- Product number
- 299920
- Product name
- Angelic Anhydride
- Packaging
- 100mg
- Price
- $297
- Updated
- 2021/12/16
- Product number
- 7088AL
- Product name
- Angelic Anhydride
- Packaging
- 5g
- Price
- $1810
- Updated
- 2021/12/16
ANGELIC ANHYDRIDE Chemical Properties,Usage,Production
Uses
Angelic Anhydride is a reagent in the improved synthesis of angelate esters, which are the active chemical behind the strong pain-relieving and spasmolytic action of extracts from the plant butterbur.
Synthesis
Angelic anhydride (dahuric anhydride) was prepared as follows: to a solution of angelic acid (5 g, 50 mmol) in dichloromethane (100 mL) at room temperature was added N,N’ Dicyclohexylcarbodiimide (8.6 mL, 60% in xylene, 25 mmol). The reaction mixture was stirred at this temperature for 1 hour. The precipitate was filtered. The filtrate was concentrated in vacuum. The residue was purified by chromatography (petroleum ether/ethyl acetate 10:1) to give 4.3 g of the title compound dahuric anhydride as an oil (94%). 1H NMR (300 MHz, CDCl3)δ 6.376.25 (m, 2H), 2.06 (dq, J=7.4, 1.5 Hz, 6H), 1.971.93 (m, 6H).
ANGELIC ANHYDRIDE Preparation Products And Raw materials
Raw materials
Preparation Products
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View Lastest Price from ANGELIC ANHYDRIDE manufacturers
- Product
- Angelic anhydride 94487-74-8
- Price
- US $0.00/mg
- Min. Order
- 20mg
- Purity
- ≥98%(HPLC)
- Supply Ability
- 100 g
- Release date
- 2020-08-19
- Product
- Angelic anhydride 94487-74-8 94487-74-8
- Price
- US $10.00/mg
- Min. Order
- 20mg
- Purity
- ≥98%
- Supply Ability
- 1000.00 kgs
- Release date
- 2019-07-17
- Product
- ANGELIC ANHYDRIDE 94487-74-8
- Price
- US $8.00/KG
- Min. Order
- 1g
- Purity
- ＞98% HPLC
- Supply Ability
- kg--ton
- Release date
- 2020-02-20