ChemicalBook > CAS DataBase List > Tetramethylthiourea

Tetramethylthiourea

Product Name
Tetramethylthiourea
CAS No.
2782-91-4
Chemical Name
Tetramethylthiourea
Synonyms
TBU;TMTU;1,1,3,3-TETRAMETHYLTHIOUREA;NA-101;Basthioryl;((CH3)2N)2CS;cas no.2782-91-4;Tetrabutylurea,TBU;TETRAMETHYLTHIOUREA;tetramethyl-thioure
CBNumber
CB1210437
Molecular Formula
C5H12N2S
Formula Weight
132.23
MOL File
2782-91-4.mol
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Tetramethylthiourea Property

Melting point:
75-77 °C (lit.)
Boiling point:
245 °C (lit.)
Density 
1.005 (estimate)
refractive index 
1.5300 (estimate)
Flash point:
190 °C
storage temp. 
2-8°C
solubility 
32g/l
form 
solid
pka
1.50±0.50(Predicted)
color 
Off-White to Pale Beige
Water Solubility 
32 g/L (20 ºC)
BRN 
1744916
InChIKey
MNOILHPDHOHILI-UHFFFAOYSA-N
CAS DataBase Reference
2782-91-4(CAS DataBase Reference)
NIST Chemistry Reference
Thiourea, tetramethyl-(2782-91-4)
EPA Substance Registry System
Tetramethylthiourea (2782-91-4)
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Safety

Hazard Codes 
Xn
Risk Statements 
22-20/21/22
Safety Statements 
22-24/25-36
WGK Germany 
3
RTECS 
YU2750000
TSCA 
Yes
HS Code 
29309070
Hazardous Substances Data
2782-91-4(Hazardous Substances Data)
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Hazard and Precautionary Statements (GHS)

Symbol(GHS)
Signal word
Warning
Hazard statements

H302Harmful if swallowed

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N-Bromosuccinimide Price

Sigma-Aldrich
Product number
115169
Product name
Tetramethylthiourea
Purity
98%
Packaging
25g
Price
$94.2
Updated
2024/03/01
TCI Chemical
Product number
T0156
Product name
Tetramethylthiourea
Purity
>98.0%(N)
Packaging
25g
Price
$55
Updated
2024/03/01
TCI Chemical
Product number
T0156
Product name
Tetramethylthiourea
Purity
>98.0%(N)
Packaging
100g
Price
$165
Updated
2024/03/01
Alfa Aesar
Product number
L13392
Product name
N,N,N',N'-Tetramethylthiourea, 98%
Packaging
5g
Price
$19.65
Updated
2024/03/01
Alfa Aesar
Product number
L13392
Product name
N,N,N',N'-Tetramethylthiourea, 98%
Packaging
25g
Price
$65.65
Updated
2024/03/01
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Tetramethylthiourea Chemical Properties,Usage,Production

Chemical Properties

COLORLESS TO YELLOW CRYSTALLINE CHUNKS

Uses

As a drug.

Uses

Tetramethylthiourea forms BF3 adduct with tetramethylselenourea.

Definition

ChEBI: Tetramethylthiourea is a member of thioureas.

General Description

White crystals.

Air & Water Reactions

Water soluble.

Reactivity Profile

An organosulfide amide. Organosulfides are incompatible with acids, diazo and azo compounds, halocarbons, isocyanates, aldehydes, alkali metals, nitrides, hydrides, and other strong reducing agents. Reactions with these materials generate heat and in many cases hydrogen gas. Many of these compounds may liberate hydrogen sulfide upon decomposition or reaction with an acid. Organic amides/imides react with azo and diazo compounds to generate toxic gases. Flammable gases are formed by the reaction of organic amides/imides with strong reducing agents. Amides are very weak bases (weaker than water). Imides are less basic yet and in fact react with strong bases to form salts. That is, they can react as acids. Mixing amides with dehydrating agents such as P2O5 or SOCl2 generates the corresponding nitrile. The combustion of these compounds generates mixed oxides of nitrogen (NOx).

Hazard

Moderately toxic by ingestion.

Fire Hazard

Flash point data for Tetramethylthiourea are not available, but Tetramethylthiourea is probably combustible.

Safety Profile

Moderately toxic by ingestion. Questionable carcinogen with experimental carcinogenic and teratogenic data. Human mutation data reported. When heated to decomposition it emits very toxic fumes of NOx and SOx. See also SULFIDES.

Tetramethylthiourea Preparation Products And Raw materials

Raw materials

Preparation Products

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View Lastest Price from Tetramethylthiourea manufacturers

Speranza Chemical Co., Ltd.
Product
Tetra methyl Thiourea 2782-91-4
Price
US $20.00/KG
Min. Order
1KG
Purity
99%
Supply Ability
200 tons/ year
Release date
2020-03-11
Ouhuang Engineering Materials (Hubei) Co., Ltd
Product
Tetramethylthiourea 2782-91-4
Price
US $1.00/KG
Min. Order
1KG
Purity
99.91%
Supply Ability
200000
Release date
2024-04-24
airuikechemical co., ltd.
Product
Tetramethylthiourea 2782-91-4
Price
US $0.00-0.00/g
Min. Order
1g
Purity
99.99%
Supply Ability
20 tons
Release date
2024-04-10

2782-91-4, TetramethylthioureaRelated Search:


  • TETRAMETHYLTHIOUREA
  • 1,1,3,3-TETRAMETHYL-2-THIOUREA
  • 1,1,3,3-TETRAMETHYLTHIOUREA
  • ((CH3)2N)2CS
  • 1,1,3,3-tetramethyl-2-thio-ure
  • Basthioryl
  • N,N,N',N'-Tetramethylthiourea
  • Tetramethylthiourea Synonyms N,N,N',N'-Tetramethylthiourea
  • 1,1,3,3-TetraMethyl-2-thiourea, 98% 25GR
  • N,N,N',N'-TetraMethylthiourea anhydrous
  • TetraMethylthiourea, 98%+
  • 1,1,3,3-Tetramethyl-2-thiourea,98%
  • N,N,N’,N’-Tetramethylthioharnstoff
  • NA-101
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  • TMTU
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  • Tetramethylthiourea,Tetrabutylurea,TBU 98%
  • Buy cas no.2782-91-4
  • cas no.2782-91-4
  • cas no.2782-91-4 98%
  • Thiourea, N,N,N',N'-tetramethyl- 98% cas no. 2782-91-4
  • Tetramethylthiourea 98% cas no. 2782-91-4
  • Tetrabutylurea 98% cas no. 2782-91-4
  • TBU 98%cas no. 2782-91-4
  • Tetramethyl thiourea cas no. 2782-91-4
  • 2782-91-4
  • CH32NCSNCH32
  • C5H12N2S
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  • 2782-91-4