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L15144 35000-38-5 (tert-Butoxycarbonylmethylene)triphenylphosphorane, 98% tert-Butyl (triphenylphosphoranylidene)acetate (Carbo-tert-butoxymethylene)triphenylphosphorane Alfa Aesar


Certificate of Analysis

(tert-Butoxycarbonylmethylene)triphenylphosphorane, 98%

CAS: 35000-38-5 MDL: MFCD00075545  EINECS: 412-880-7
UN#:UN2811Hazard Class:6.1Packing Group:III
Alternate Name: tert-Butyl (triphenylphosphoranylidene)acetate


Pricing and Availability

Size ($) Price Your Price Quantity Options Availability
1g 27.60 Check Availability Add to Favorites Enter qty and click checkbox
5g 78.00 Check Availability Add to Favorites Enter qty and click checkbox
25g 255.00 Check Availability Add to Favorites Enter qty and click checkbox

Chemical Properties

Formula: C24H25O2P  Melting point: 146-150°
Formula weight: 376.44  

Other References

Beilstein: 2759875
UN#: UN2811
Harmonized Tariff Code: 2931.90

GHS Hazard and Precautionary Statements

Hazard Statements : H301-H319-H317-H373-H411

Toxic if swallowed. Causes serious eye irritation. May cause an allergic skin reaction. May cause damage to organs through prolonged or repeated exposure. Toxic to aquatic life with long lasting effects.

Precautionary Statements : P260-P261-P301+P310-P305+P351+P338-P405-P501A

Do not breathe dust/fume/gas/mist/vapours/spray. Avoid breathing dust/fume/gas/mist/vapours/spray. IF SWALLOWED: Immediately call a POISON CENTER or doctor/physician. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

ToxicHealth HazardDangerous for the environment

Risk & Safety

Risk Phrases: 25-36-43-48/22-51/53
Toxic if swallowed. Irritating to eyes. May cause sensitisation by skin contact. Harmful: danger of serious damage to health by prolonged exposure if swallowed. Toxic to aquatic organisms, may cause long-term adverse effects in the aquatic environment.
Safety Phrases: 26-36/37/39-45-61
In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. Wear suitable protective clothing, gloves and eye/face protection. In case of accident or if you feel unwell, seek medical advice immediately (show the label where possible). Avoid release to the environment. Refer to special instructions/Safety data sheets
Toxic Dangerous for the environment