Skip to Content
Merck
All Photos(1)

Key Documents

Safety Information

8.22137

Sigma-Aldrich

4-Propyl-2-thiouracil

for synthesis

Synonym(s):

4-Propyl-2-thiouracil, 4-Hydroxy-2-mercapto-6-propylpyrimidine

Sign Into View Organizational & Contract Pricing
All Photos(1)

About This Item

Empirical Formula (Hill Notation):
C7H10N2OS
CAS Number:
51-52-5
Molecular Weight:
170.23
MDL number:
MFCD00006041
UNSPSC Code:
12352104
EC Index Number:
200-103-2
NACRES:
NA.22

Quality Level

200

Assay

≥98.0% (HPLC)

form

solid

potency

1250 mg/kg LD50, oral (Rat)

pH

6-7.5 (20 °C, 5 g/L in H2O, slurry)

mp

216-220 °C

transition temp

flash point 300 °C

solubility

1.1 g/L

bulk density

159 kg/m3

storage temp.

2-30°C

InChI

1S/C7H10N2OS/c1-2-3-5-4-6(10)9-7(11)8-5/h4H,2-3H2,1H3,(H2,8,9,10,11)

InChI key

KNAHARQHSZJURB-UHFFFAOYSA-N

Analysis Note

Assay (HPLC, area%): ≥ 98.0 % (a/a)
Melting range (lower value): ≥ 216 °C
Melting range (upper value): ≤ 220 °C
Identity (IR): passes test

Pictograms

Exclamation markHealth hazard
GHS07,GHS08

Signal Word

Warning

Hazard Statements

H302 - H351

Hazard Classifications

Acute Tox. 4 Oral - Carc. 2

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

ISHL Indicated Name

Substances Subject to be Indicated Names

ISHL Notified Names

Substances Subject to be Notified Names

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

Already Own This Product?

Find documentation for the products that you have recently purchased in the Document Library.

Visit the Document Library

Our team of scientists has experience in all areas of research including Life Science, Material Science, Chemical Synthesis, Chromatography, Analytical and many others.

Contact Technical Service