2,3-Dibromo-2-butene-1,4-diol

Names

[ Name ]:
2,3-Dibromo-2-butene-1,4-diol

[Synonym ]:
2,3,5,6-TETRAFLUORO-N-HYDROXY-ISONICOTINAMIDINE
2,3-dibromobut-2-ene-1,4-diol
Penton22
DBD
2,3-Dibrom-but-2-en-1,4-diol
2 3-DIBROMO-2-BUTENE-1 4-DIOL(GC)
4-diol,2,3-dibromo-2-Butene-1
dibromoducitol
2,3-Dibromo-2-buten-1,4-diol
2,3-dibromo-but-2-ene-1,4-diol
2,3-dibromo-2-butene-4-diol
2,3-Dibromo-2-butene-1,4-diol
trans-2,3-Dibromo-2-buten-1,4-diol
2-Butene-1,4-diol, 2,3-dibromo-
mitolactol
Peton22
EINECS 221-779-5
MFCD00004698

Chemical & Physical Properties

[ Density]:
2.3±0.1 g/cm3

[ Boiling Point ]:
318.1±42.0 °C at 760 mmHg

[ Melting Point ]:
112-114 °C(lit.)

[ Molecular Formula ]:
C₄H₆Br₂O₂

[ Molecular Weight ]:
245.897

[ Flash Point ]:
146.2±27.9 °C

[ Exact Mass ]:
243.873444

[ PSA ]:
40.46000

[ LogP ]:
2.70

[ Vapour Pressure ]:
0.0±1.5 mmHg at 25°C

[ Index of Refraction ]:
1.630

[ Stability ]:
Stable. Incompatible with strong oxidizing agents.

[ Water Solubility ]:
1-5 g/100 mL at 21 ºC

MSDS

Click to get detail MSDS

Toxicological Information

CHEMICAL IDENTIFICATION

RTECS NUMBER :: EM6910000

CHEMICAL NAME :: 2-Butene-1,4-diol, 2,3-dibromo-

CAS REGISTRY NUMBER :: 3234-02-4

LAST UPDATED :: 199712

DATA ITEMS CITED :: 3

MOLECULAR FORMULA :: C4-H6-Br2-O2

MOLECULAR WEIGHT :: 245.92

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 33 ug/plate

REFERENCE :: ENMUDM Environmental Mutagenesis. (New York, NY) V.1-9, 1979-87. For publisher information, see EMMUEG. Volume(issue)/page/year: 9(Suppl 9),1,1987 *** NIOSH STANDARDS DEVELOPMENT AND SURVEILLANCE DATA *** NIOSH OCCUPATIONAL EXPOSURE SURVEY DATA : NOHS - National Occupational Hazard Survey (1974) NOHS Hazard Code - A1263 No. of Facilities: 21 (estimated) No. of Industries: 1 No. of Occupations: 1 No. of Employees: 21 (estimated)

Safety Information

[ Symbol ]:

GHS07

[ Signal Word ]:
Warning

[ Hazard Statements ]:
H317

[ Personal Protective Equipment ]:
Eyeshields;Gloves;type N95 (US);type P1 (EN143) respirator filter

[ Hazard Codes ]:
Xi:Irritant;

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S37/39

[ RIDADR ]:
NONH for all modes of transport

[ WGK Germany ]:
3

[ RTECS ]:
EM6910000

[ Packaging Group ]:
I; II; III

[ Hazard Class ]:
6.1

[ HS Code ]:
2905590090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

DownStream

Customs

[ HS Code ]: 2905590090

[ Summary ]:
2905590090 other halogenated, sulphonated, nitrated or nitrosated derivatives of acyclic alcohols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%