Description

Silanediamine, N,N’-bis(1,1-dimethylethyl)- (CAS No. 186598-40-3) is a highly specialized organosilicon compound with the molecular formula C₈H₂₀N₂Si. This chemical features a silicon center bonded to two tert-butylamine groups, making it a valuable precursor in advanced material synthesis and surface modification applications. Its unique structure offers excellent reactivity for crosslinking, adhesion promotion, and as a ligand in coordination chemistry. Ideal for researchers in polymer science, nanotechnology, and catalysis, this compound is supplied with high purity and rigorous quality control to ensure reproducibility in sensitive experiments. Store under inert conditions to maintain stability.

Properties

• CAS Number: 186598-40-3
• Complexity: 96.2
• InChI: InChI=1S/C8H20N2Si/c1-7(2,3)9-11-10-8(4,5)6/h9-10H,1-6H3
• InChI Key: PHUNDLUSWHZQPF-UHFFFAOYSA-N
• Exact Mass: 172.139575181
• Molecular Formula: C8H20N2Si
• Molecular Weight: 172.34
• SMILES: CC(C)(C)N[Si]NC(C)(C)C
• Topological: 24.1
• Monoisotopic Mass: 172.139575181
• Synonyms: 186598-40-3, Silanediamine, N,N’-bis(1,1-dimethylethyl)-, Bis t-butylaminosilane, DTXCID201028354, dtxsid10889085, bis(tert-butylamino)silicon, MFCD03411245, Bis(t-butylamino)silane, BTBAS, (bis(tertiarybutyl-amino)silane), PHUNDLUSWHZQPF-UHFFFAOYSA-N, BTBAS: [NH(C4H9)]2SiH2, AS-86060, Bis(t-butylamino)silane, BTBAS (99.999%-Si) PURATREM

Application

Silanediamine, N,N’-bis(1,1-dimethylethyl)- is primarily used as a surface modifier and adhesion promoter in polymer and composite materials. It serves as a key intermediate in the synthesis of silicon-containing ligands for catalytic systems. Researchers also employ it in the development of advanced coatings and nanomaterials due to its ability to enhance interfacial bonding.

Safety and Hazards

GHS Hazard Statements

• H225 (59.1%): Highly Flammable liquid and vapor [Danger Flammable liquids]
• H226 (40.9%): Flammable liquid and vapor [Warning Flammable liquids]
• H260 (66.7%): In contact with water releases flammable gases which may ignite spontaneously [Danger Substances and mixtures which in contact with water, emit flammable gases]
• H261 (33.3%): In contact with water releases flammable gas [Danger Substances and mixtures which in contact with water, emit flammable gases]
• H301 (36.4%): Toxic if swallowed [Danger Acute toxicity, oral]
• H314 (40.9%): Causes severe skin burns and eye damage [Danger Skin corrosion/irritation]
• H315 (57.6%): Causes skin irritation [Warning Skin corrosion/irritation]
• H319 (57.6%): Causes serious eye irritation [Warning Serious eye damage/eye irritation]
• H335 (60.6%): May cause respiratory irritation [Warning Specific target organ toxicity, single exposure; Respiratory tract irritation]

Precautionary Statements

• P210, P223, P231+P232, P233, P240, P241, P242, P243, P260, P261, P264, P264+P265, P270, P271, P280, P301+P316, P301+P330+P331, P302+P335+P334, P302+P352, P302+P361+P354, P303+P361+P353, P304+P340, P305+P351+P338, P305+P354+P338, P316, P319, P321, P330, P332+P317, P337+P317, P362+P364, P363, P370+P378, P402+P404, P403+P233, P403+P235, P405, and P501

Hazard Classes and Categories

• Flam. Liq. 2 (59.1%)
• Flam. Liq. 3 (40.9%)
• Water-react. 1 (66.7%)
• Water-react. 1 (33.3%)
• Acute Tox. 3 (36.4%)
• Skin Corr. 1B (40.9%)
• Skin Irrit. 2 (57.6%)
• Eye Irrit. 2 (57.6%)
• STOT SE 3 (60.6%)

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