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136849-72-4 - O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium tetrafluoroborate, 97% - TOTU - L18496 - Alfa Aesar

L18496 O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium tetrafluoroborate, 97%

CAS Number
136849-72-4
Synonyms
TOTU

Size Price ($) Quantity Availability
1g 28.40
5g 85.20
25g 315.00
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O-[(Ethoxycarbonyl)cyanomethylenamino]-N,N,N',N'-tetramethyluronium tetrafluoroborate, 97%

MDL
MFCD00192127

Chemical Properties

Formula
C10H17BF4N4O3
Formula Weight
328.08
Melting point
143-146° dec.
Sensitivity
Moisture Sensitive

Literature References

Low racemization peptide coupling agent: Proc. 21st Eur. Pept. Symp., 1990, E. Giralt, D. Andren Eds., ESCOM, Leiden (1991), p143; Tetrahedron Lett., 33, 6625 (1992). See Appendix 6.

/n

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H315-H319-H335

Harmful if swallowed. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P301+P312-P312-P405-P403+P233-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Store locked up. Store in a well-ventilated place. Keep container tightly closed. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code
2923.90
TSCA
No

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