HBTU , 99% , 94790-37-1

Synonym(s):
N,N,N′,N′-Tetramethyl-O-(1H-benzotriazol-1-yl)uronium hexafluorophosphate;O-(Benzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate;2-(1H-Benzotriazole-1-yl)-1,1,3,3-tetramethylaminium hexafluorophosphate;HBTU

CAS NO.：94790-37-1

Empirical Formula: C11H16F6N5OP

Molecular Weight: 379.25

MDL number: MFCD00075445

EINECS: 619-076-7

PRODUCT Properties

• Melting point: 200 °C (dec.)(lit.)
• Flash point: 200°C
• storage temp.: Store at +2°C to +8°C.
• solubility: acetonitrile: 0.1 g/mL, clear
• form: Powder
• color: White to Off-White
• PH: 4.1 (1.6g/l, H2O)
• Water Solubility: 1.6g/L
• Decomposition: 200 ºC
• BRN: 7328329
• Stability: Stable. Incompatible with oxidizing agents.
• InChI: InChI=1S/C11H16N5O.F6P/c1-13(2)11(14(3)4)15-9-7-5-6-8-10(9)16(17)12-15;1-7(2,3,4,5)6/h5-8H,1-4H3;/q+1;-1
• InChIKey: UQYZFNUUOSSNKT-UHFFFAOYSA-N
• SMILES: [P+5]([F-])([F-])([F-])([F-])([F-])[F-].C(=[N+]1/N=N(=O)C2=CC=CC=C/12)(\N(C)C)/N(C)C
• CAS DataBase Reference: 94790-37-1(CAS DataBase Reference)
• EPA Substance Registry System: 1H-Benzotriazolium, 1-[bis(dimethylamino)methylene]-, 3-oxide, hexafluorophosphate(1-) (1:1) (94790-37-1)

Description and Uses

HBTU is a coupling reagent used in peptide synthesis. HBTU has been shown to effectively suppress racemization.

Safety

• Symbol(GHS): GHS07
• Signal word: Warning
• Hazard statements: H315-H317-H335
• Precautionary statements: P261-P264-P271-P272-P280-P302+P352
• Hazard Codes: Xi,Xn
• Risk Statements: 36/37/38-20/21/22-42/43
• Safety Statements: 26-36/37/39-36-22
• WGK Germany: 3
• F: 8-10-21
• Hazard Note: Irritant
• HS Code: 29339980
• Toxicity: LD50 orally in Rabbit: > 2000 mg/kg