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94-81-5

94-81-5 Structure

94-81-5 Structure
IdentificationBack Directory
[Name]

MCPB
[CAS]

94-81-5
[Synonyms]

MCPB
CMPB
4MCPB
Bexane
Bexone
2m4khm
2M-4XM
Trotox
Tritrol
u46mcpb
MB 3046
Thitrol
CANTROL
2M 4KhM
4-(MCB)
2m-4kh-m
Trifolex
Thistrol
MCPBacid
2,4-MCPB
Tropotox
U46 MCPB
NSC 102796
gamma-MCPB
TROPOTOX(R)
THISTROL(R)
MCP-Butyric
'LGC' (1308)
butryicacid.
4-butyric Acid
Belmac straight
MCPB PESTANAL
MCPB, 100MG, NEAT
Fisons 18-15, MCPB
3-Phenoxybutyric acid
MCPB 100mg [94-81-5]
mcpb (bsi,iso,wssa,jmaf)
mcpb(presentasisomerspecific)
(4-chloro-o-tolyloxy)butyricacid
[(4-Chloro-o-tolyl)oxy]butyric acid
2-methyl-4-chlorophenoxybutyricacid
4-chloro-2-methylphenoxybutyricacid
4-((4-chloro-o-tolyl)oxy)-butyricaci
4-(4-Chloro-2-methylphenoxy)butanoate
4-((4-Chloro-o-tolyl)oxy)butyric acid
(2-Methyl-4-Chlorophenoxy)butyric acid
(4-Chloro-2-methylphenoxy)butyric acid
4-(4-chloro-2-methylphenoxy)-butanoicaci
4-(4-chlor-2-methylphenoxy)-buttersaeure
4-(2-Methyl-4-chlorphenoxy)-buttersaeure
Butyric acid, 4-[(4-chloro-o-tolyl)oxy]-
4-(4-CHLORO-2-METHYLPHENOXY)BUTYRIC ACID
2-(4-CHLORO-2-METHYLPHENOXY)-BUTYRICACID
kyselina4-(4-chlor-2-methylfenoxy)maselna
4-(2-METHYL-4-CHLOROPHENOXY)-BUTYRIC ACID
4-(4-CHLORO-2-METHYLPHENOXY)BUTANOIC ACID
gamma-2-methyl-4-chlorophenoxybutyricacid
4-(4-Chlor-2-methyl-phenoxy)-buttersaeure
2-methyl-4-chlorophenoxygamma-butyricacid
Kyselina 4-(4-chlor-2-methylfenoxy)maselna
acide(4-chloro2-methyl4-phenoxy)butanoique
gamma-(4-chloro-2-methylphenoxy)butyricacid
gamma-(2-Methyl-4-chlorophenoxy)butyric acid
gamma-(4-Chloro-2-methylphenoxy)butyric acid
Butanoic acid, 4-(4-chloro-2-methylphenoxy)-
4-(4-CHLORO-2-METHYLPHENOXY)BUTYRIC ACID 99%
MCPB (ISO) 4-(4-chloro-o-tolyloxy) butyric acid
4-(4-chlor-2-methylphenoxy)-buttersaeure[german]
4-(4-Chloro-2-methylphenoxy)butyric acid, 4-(4-Chloro-o-tolyloxy)butyric acid
[EINECS(EC#)]

202-365-3
[Molecular Formula]

C11H13ClO3
[MDL Number]

MFCD00002820
[MOL File]

94-81-5.mol
[Molecular Weight]

228.67
Chemical PropertiesBack Directory
[Melting point ]

101-102℃ (ligroine )
[Boiling point ]

327.31°C (rough estimate)
[density ]

1.2076 (rough estimate)
[refractive index ]

1.4530 (estimate)
[storage temp. ]

0-6°C
[form ]

neat
[pka]

4.58±0.10(Predicted)
[Water Solubility ]

44mg/L(room temperature)
[BRN ]

2215202
[Uses]

Herbicide.
[EPA Substance Registry System]

MCPB (94-81-5)
Hazard InformationBack Directory
[Definition]

ChEBI: A monocarboxylic acid that is butyric acid substituted by a 2-methyl-4-chlorophenoxy group at position 4.
[Hazard]

Toxic by ingestion.
[Chemical Properties]

Colorless crystal; melts at 100 °C (212 °F);practically insoluble in water (44 mg/L at25 °C/77 °F); readily dissolves in most organicsolvents.
[Health Hazard]

MCPB is structurally similar to 2,4-DB,except one methyl group substituting a Clatom in the ring. Toxic properties and thesymptoms are similar to 2,4-DB. It is mod-erately toxic by ingestion and possibly otherroutes of exposure. Skin contact can causeirritation.
LD50 oral (rat): 680 mg/kg
LD50 oral (mouse): 800 mg/kg.
[Agricultural Uses]

Herbicide: A metabolite of MCPA (see above). MCPB is a phenoxy herbicide produced as a sodium salt and an acid. Herbicide registered for use on peas prior to flowering. There are no residential uses of MCBP. Target organisms: post-emergence control of Canadian thistle, buttercup, mustard, purslane, ragweed, common lambsquarters, pigweed, smartweed, sowthistle, morning glory and other broad leaf weeds[83] .
[Trade name]

2 M-4Kh-M; 2M4KhM; 2 M-4XM; 4MCPB; BEXANE; BEXONE; U46 MCPB; LEGUMEX; PDQ; THITROL; TRIFOLEX; TRITROL; TROTOX
Safety DataBack Directory
[Hazard Codes ]

N
[Risk Statements ]

50/53
[Safety Statements ]

60-61
[RIDADR ]

UN3077 9/PG 3
[WGK Germany ]

2
[RTECS ]

ES8575000
[HS Code ]

29189900
[Hazardous Substances Data]

94-81-5(Hazardous Substances Data)
[Toxicity]

LD50 oral in rat: 680mg/kg
Spectrum DetailBack Directory
[Spectrum Detail]

MCPB(94-81-5)MS
MCPB(94-81-5)1HNMR
MCPB(94-81-5)13CNMR
MCPB(94-81-5)IR1
MCPB(94-81-5)IR2
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