CAS 94790-37-1 MFCD00075445-O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate O-(苯并三唑-1-基)-N,N,N,N-四甲基脲六氟磷酸季铵盐(HBTU) -LabNovo

SMILES: CN(C)C(On1nnc2ccccc21)=[N+](C)C.F[P-](F)(F)(F)(F)F

Chemical Name	O-(Benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate
Synonym	HBTU N,N,N′,N′-四甲基-O-(1H-苯并三氮唑)六氟磷酸脲 O-Benzotriazol-1-yl-tetramethyluronium hexafluorophosphate
MDL Number	MFCD00075445
PubChem Substance ID	87564558
Beilstein Registry Number	7328329
CAS Number	94790-37-1
EC Number	423-020-5
Reaxys-RN	4650356
Alfabeta Name	HBTU
Chemical Name Translation	O-(苯并三唑-1-基)-N,N,N,N-四甲基脲六氟磷酸季铵盐(HBTU)

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有研究表明，HBTU无论基结晶还是溶液状态，均为胍正离子，而非脲正离子，作为多肽缩合剂使用时，基优点为：极低的消旋概率、反应条件简单、反应时间短，以为较高的产率。

Personal Protective Equipment dust mask type N95 (US), Eyeshields, Gloves

GHS Symbol

Precautionary statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray. 避免吸入粉尘/烟/气体/烟雾/蒸汽/喷雾。
P264 Wash hands thoroughly after handling. 处理后要彻底洗净双手。
P280 Wear protective gloves/protective clothing/eye protection/face protection. 戴防护手套/防护服/眼睛的保护物/面部保护物。
P302+P350
P305+P351+P338
P305+P351+P338+P337+P313
P332+P313
P362 Take off contaminated clothing and wash before reuse. 脱掉污染的衣服，清洗后方可重新使用

Hazard statements

H315 Causes skin irritation 会刺激皮肤
H319 Causes serious eye irritation 严重刺激眼睛
H335 May cause respiratory irritation 可能导致呼吸道刺激
H317 May cause an allergic skin reaction 可能导致皮肤过敏
H334 May cause allergy or asthma symptoms or breathing difficulties if inhaled 吸入可能导致过敏或哮喘症状或呼吸困难

Hazard Codes Xn Xi

WGK Germany3

Signal word Danger Warning

Safety Statements

S22 Do not breathe dust 不要吸入粉尘；
S26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice 眼睛接触后，立即用大量水冲洗并征求医生意见；
S36/37/39 Wear suitable protective clothing, gloves and eye/face protection 穿戴适当的防护服、手套和眼睛/面保护；

Risk Statements