1,3-Bis(tert-butoxycarbonyl)-2-methyl-2-thiopseudourea
[CAS# 107819-90-9]

Identification

• Classification: Chemical reagent >> Organic reagent >> Urea
• Name: 1,3-Bis(tert-butoxycarbonyl)-2-methyl-2-thiopseudourea
• Synonyms: 1,3-Bis(tert-butoxycarbonyl)-2-methylisothiourea; 1,3-Bis(tert-butoxycarbonyl)-2-methylthiopseudourea; 1,3-Di-tert-butyloxycarbonyl-S-methylisothiourea; Bis(Boc)-2-methyl-2-thiopseudourea; N,N'-Bis(tert-butoxycarbonyl)-2-methyl-2-thiopseudourea; N,N'-Bis(tert-butoxycarbonyl)-S-methylisothiourea; N,N'-Di(tert-butoxycarbonyl)-S-methylisothiourea; N,N'-Di-Boc-S-methylisothiourea; [[[(1,1-Dimethylethoxy)carbonyl]amino](methylthio)methylene]carbamic acid 1,1-dimethylethyl ester
• Molecular Formula: C₁₂H₂₂N₂O₄S
• Molecular Weight: 290.38
• CAS Registry Number: 107819-90-9
• EC Number: 690-396-7

Properties

• Solubility: Very slightly soluble (0.1 g/L) (25 ºC), Calc.^*
• Density: 1.10±0.1 g/cm³ (20 ºC 760 Torr), Calc.^*
• Melting point: 127 ºC^**

^* Calculated using Advanced Chemistry Development (ACD/Labs) Software V11.02 (©1994-2014 ACD/Labs)

^** Gers, Tomasz; Synthesis 2004, (1), P37-42.

Safety Data

Hazard Classification

Hazard	Class	Category Code	Hazard Statement
Skin irritation	Skin Irrit.	2	H315
Specific target organ toxicity - single exposure	STOT SE	3	H335
Eye irritation	Eye Irrit.	2A	H319
Eye irritation	Eye Irrit.	2	H319