| | Identification | More |  | [Name] 
 Sodium tert-butoxide
 |  | [CAS] 
 865-48-5
 |  | [Synonyms] 
 NatB
 sodium 2-methylpropan-2-olate
 SODIUM T-BUTOXIDE
 SODIUM TERT-BUTOXIDE
 SODIUM TERT-BUTYLATE
 SODIUM TERTIARY BUTOXIDE
 STB
 sodiumt-butoxide,stb
 sodiumt-butoxide,stb,in
 sodiumt-butoxide,stb,intetrahydrofuran
 Sodium tert-butyl alcohol
 Sodium ter-butoxide
 Sodium tert-butoxide, in tetrahydrofuran
 Stb(Sodium-Tert-Butoxide)
 Sodiumtert-butoxide,98%
 Sodiumtert-butoxide,97%
 Sodium tert-butoxide, pure, 98%
 Sodiumt-butoxide,min.98%
 2-Propanol, 2-methyl-, sodium salt
 2-Methyl-2-propanol sodium salt
 |  | [EINECS(EC#)] 
 212-741-9
 |  | [Molecular Formula] 
 C4H9NaO
 |  | [MDL Number] 
 MFCD00040575
 |  | [Molecular Weight] 
 96.1
 |  | [MOL File] 
 865-48-5.mol
 | 
 | Chemical Properties | Back Directory |  | [Appearance] 
 white to light tan crystalline powder
 |  | [Melting point ] 
 180 °C
 |  | [Boiling point ] 
 180°C/1mmHg
 |  | [bulk density] 
 400kg/m3
 |  | [density ] 
 1,104 g/cm3
 |  | [vapor pressure ] 
 0Pa at 20℃
 |  | [refractive index ] 
 n20/D1.413
 |  | [Fp ] 
 12°C
 |  | [storage temp. ] 
 Flammables area
 |  | [solubility ] 
 very slightly in Tetrahydrofuran
 |  | [form ] 
 Powder
 |  | [color ] 
 white to off-white
 |  | [Specific Gravity] 
 1.104
 |  | [Water Solubility ] 
 reacts
 |  | [Hydrolytic Sensitivity] 
 7: reacts slowly with moisture/water
 |  | [Sensitive ] 
 Air Sensitive & Hygroscopic
 |  | [BRN ] 
 3654215
 |  | [CAS DataBase Reference] 
 865-48-5(CAS DataBase Reference)
 |  | [Storage Precautions] 
 Store under nitrogen
 |  | [EPA Substance Registry System] 
 865-48-5(EPA Substance)
 | 
 | Safety Data | Back Directory |  | [Hazard Codes ] 
 F,C,Xi
 |  | [Risk Statements ] 
 R11:Highly Flammable.
 R14:Reacts violently with water.
 R34:Causes burns.
 R37:Irritating to the respiratory system.
 R35:Causes severe burns.
 R36/37/38:Irritating to eyes, respiratory system and skin .
 |  | [Safety Statements ] 
 S26:In case of contact with eyes, rinse immediately with plenty of water and seek medical advice .
 S36/37/39:Wear suitable protective clothing, gloves and eye/face protection .
 S43:In case of fire, use ... (indicate in the space the precise type of fire-fighting equipment. If water increases the risk add-Never use water) .
 S45:In case of accident or if you feel unwell, seek medical advice immediately (show label where possible) .
 S7/8:Keep container tightly closed and dry .
 S8:Keep container dry .
 S16:Keep away from sources of ignition-No smoking .
 S36:Wear suitable protective clothing .
 |  | [RIDADR ] 
 UN 3206 4.2/PG 2
 |  | [WGK Germany ] 
 3
 |  | [F ] 
 1-3-10
 |  | [TSCA ] 
 Yes
 |  | [HazardClass ] 
 4.2
 |  | [PackingGroup ] 
 II
 |  | [HS Code ] 
 29051900
 | 
 | Raw materials And Preparation Products | Back Directory |  | [Preparation Products] 
 tert-Butanol-->7-Methoxycoumarin-->6,6'-Dimethyl-2,2'-dipyridyl-->1-(4-Pyridyl)piperazine-->N,N'-Di-1-naphthyl-N,N'-diphenylbenzidine (NPB)-->3-Morpholinobenzaldehyde-->Flumazenil-->3-MORPHOLINOPHENOL-->5,5'-DIMETHYL-2,2'-DIPYRIDYL-->4-BENZYLOXY-2-CHLOROPYRIMIDINE-->methyl 3-(2-chloro-3,3,3-trifluoro-1-propenyl)-2,2-di-methyl-cyclopropane carboxylate-->2,4,5-Trifluorophenylacetic acid-->2-METHYL-2-PROPAN(OL-D)-->1-Phenyl-1-cyclohexanecarbonitrile-->TRI-T-BUTOXYSILANOL-->1-(3-Pyridinyl)piperazine-->Carbonochloridic acid, 1,1-diMethylethyl ester
 | 
 | Hazard Information | Back Directory |  | [Chemical Properties] 
 white to light tan crystalline powder
 |  | [Uses] 
 Sodium tert-butoxide is used as a strong base and a non-nucleophilic base. In organic synthesis, it serves as an intermediate in various reactions like condensation, rearrangement and ring-opening. Further, it finds use in agrochemicals, pharmaceuticals, colorants, aroma chemicals, detergents and biodiesel. It acts as a catalyst in polymerization and isomerization reactions.
 |  | [Flammability and Explosibility] 
 Highlyflammable
 |  | [Purification Methods] 
 Its solubility in tert-BuOH is 0.208M at 30.2o and 0.382M at 60o, and it is quite soluble in tetrahydrofuran (32g/100g). It should not be used if it has a brown colour. [Feuer J Am Chem Soc 78 4364 1956, Hurd Inorg Synth I 87 1939, IR: Seubold J Org Chem 21 156 1956, Beilstein 1 IV 1609.]
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