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Home> Encyclopedia > Hot Product Listed 2   > 2,4(1H,3H)-Pyrimidinedione,6-[2-(4-hydroxyphenyl)diazenyl]-
121-57-3 structure

2,4(1H,3H)-Pyrimidinedione,6-[2-(4-hydroxyphenyl)diazenyl]-

CAS No.:121-57-3
Molecular Weight:173.18968
Molecular Formula:C23H27N3O (isomer)
Names and Identifiers
Synonyms

2,4(1H,3H)-Pyrimidinedione,6-[(4-hydroxyphenyl)azo]- (9CI) 6-(p-Hydroxyphenylazo)uracil NSC 194250 NSC 677287 Uracil, 6-[(p-hydroxyphenyl)azo]- (7CI,8CI)

Inchi
InChI=1/C6H7NO3S/c7-5-1-3-6(4-2-5)11(8,9)10/h1-4H,7H2,(H,8,9,10)
InChkey
HVBSAKJJOYLTQU-UHFFFAOYSA-N
Canonical Smiles
C1=CC(=CC=C1N)S(=O)(=O)O
Properties
Density
1.019
Melting Point
288℃ (dec)
Boiling Point
253.8°Cat760mmHg
HS Code
29214210
Safety and Handling
Risk Statements
R36/38;R43
Safety Statements
S24;S37
Safety

Mutation data reported. When heated to decomposition it emits toxic fumes of NOx.

Toxicity
1.    

oms-bcs 20 mg/L

    JOBAAY    Journal of Bacteriology. 126 (1976),108.
2.    

dni-bcs 25 mg/L

    JOBAAY    Journal of Bacteriology. 126 (1976),108.
3.    

pic-bcs 100 µmol/L

    JOVIAM    Journal of Virology. 14 (1974),1470.
4.    

dni-omi 6 µmol/L

    FOMIAZ    Folia Microbiologica (Prague). (Academia, Vodickova 40, CS-112 29 Prague 1, 27 (1982),7.
PackingGroup
Z01
Transport
25kgs
Specification

 6-((p-Hydroxyphenyl)azo)uracil ,its CAS NO. is 29050-86-0,the synonyms is Hydroxyphenylazouracil ; 5-25-18-00244 (Beilstein Handbook Reference) ; BRN 0919894 ; NSC 194250 ; 2,4(1H,3H)-Pyrimidinedione, 6-((4-hydroxyphenyl)azo)- (9CI) ; Uracil, 6-((p-hydroxyphenyl)azo)- .

MSDS

2.Hazard identification

2.1 Classification of the substance or mixture

Skin irritation, Category 2

Eye irritation, Category 2

Skin sensitization, Category 1

2.2 GHS label elements, including precautionary statements

Pictogram(s)
Signal word

Warning

Hazard statement(s)

H315 Causes skin irritation

H319 Causes serious eye irritation

H317 May cause an allergic skin reaction

Precautionary statement(s)
Prevention

P264 Wash ... thoroughly after handling.

P280 Wear protective gloves/protective clothing/eye protection/face protection.

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P272 Contaminated work clothing should not be allowed out of the workplace.

Response

P302+P352 IF ON SKIN: Wash with plenty of water/...

P321 Specific treatment (see ... on this label).

P332+P313 If skin irritation occurs: Get medical advice/attention.

P362+P364 Take off contaminated clothing and wash it before reuse.

P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.

P337+P313 If eye irritation persists: Get medical advice/attention.

P333+P313 If skin irritation or rash occurs: Get medical advice/attention.

Storage

none

Disposal

P501 Dispose of contents/container to ...

2.3 Other hazards which do not result in classification

none

Computational chemical data
  • Molecular Weight:173.18968g/mol
  • Molecular Formula:C23H27N3O
  • XLogP3-AA:_0.6
  • Exact Mass:173.014664
  • Monoisotopic Mass:173.014664
  • Complexity:211
  • Rotatable Bond Count:1
  • Hydrogen Bond Donor Count:2
  • Hydrogen Bond Acceptor Count:4
  • Topological Polar Surface Area:88.8
  • Heavy Atom Count:11
  • Defined Atom Stereocenter Count:0
  • Undefined Atom Stereocenter Count:0
  • Defined Bond Stereocenter Count:0
  • Undefined Bond Stereocenter Count:0
  • Isotope Atom Count:0
  • Covalently-Bonded Unit Count:1
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