N,N-Diisopropylethylamine CAS7087-68-5 N,N-Diisopropylethylamine N-Ethyldiisopropylamine, 3-METHYL-1-BUTINE-3-OL; BIOTECHGRADESOLVENT,99.5%; DIPEA, Ethyldiisopropylamine, Hünig’s base CAS Number:7087-68-5 EC Number:230-392-0 MDL number:MFCD00008868 Appearance Colorless to Light yellow clear liquid Purity(GC) min. 99.0 % Quality Level 200 Assay ≥99% form liquid refractive index n20/D 1.414 (lit.) Melting Point -45 °C Boiling Point 127 °C density 0.742 g/mL at 25 °C (lit.) Specific Gravity 0.92 Molecular Formula / Molecular Weight C8H19N = 129.25 Flash point 12 °C Refractive Index 1.41 Solubility in water Insoluble Solubility (soluble in) Alcohol Condition to Avoid Air Sensitive CAS 7087-68-5 MDL Number MFCD00008868 Explosion limit 0.7 - 6.3 %(V) pH value 12.3 (H₂O, 20 °C) (as an emulsion) Viscosity kinematic 0.88 mm2/s (20 °C) Vapor pressure 14 hPa (20 °C) HS Code 2921 19 99 General description N,N-Diisopropylethylamine, also known as Hünig′s base, is a sterically hindered amine. It is a non-nucleophilic base commonly employed for substitution reactions.It acts as an activator for chiral iridium N, P ligand complexes, which can be utilized in the hydrogenation of α, β-unsaturated nitriles. The influence of varying concentration of N,N-diisopropylethylamine on the synthesis of olvanil in the presence of lipase catalyst has been investigated. Application N,N-Diisopropylethylamine may be used in the synthesis of mannosylated ovalbumin peptides. TBDPS protection of Alcohols using tert-Butylchlorodiphenylsilane. BOM protection of Alcohols using Benzyloxymethyl Chloride. Storage and transportation: Should be sealed and stored in a dry, cool and ventilated warehouse Package: 200KG/drum Storage: It is recommended to store in dry and cool area with proper ventilation. Please fasten the lid as soon as possible after original packing to prevent the mixing of other substances such as moisture from affecting the product performance. Do not inhale dust and avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and wash them before use. Maintain good hygiene habits. https://www.newtopchem.com/archives/43095 Email us: info@newtopchem.com

2-Isopropylphenol CAS88-69-7 2-Isopropylphenol CAS:88-69-7 Molecular formula: C9H12O EINECS号:201-852-8 prodox131 O-CUMENOL O-ISOPROPYLPHENOL ORTHO-ISO-PROPYLPHENOL FEMA 3461 RTECS号：SL5900000 29071900 UN 3145 Hazard class 8 Packing Group II ECHA EINECS - REACH Pre-Reg: 201-852-8 FDA UNII: B2899Z0Q2U Beilstein Number: 1363322 MDL: MFCD00002224 CoE Number: 11234 XlogP3: 2.90 (est) Molecular Weight: 136.19384000 Formula: C9 H12 O Appearance: colorless to pale orange clear liquid (est) Assay: 98.00 to 100.00 Food Chemicals Codex Listed: No Specific Gravity: 0.98900 to 0.99900 @ 25.00 °C. Pounds per Gallon - (est).: 8.229 to 8.313 Refractive Index: 1.52500 to 1.53000 @ 20.00 °C. Melting Point: 14.00 to 16.00 °C. @ 760.00 mm Hg Boiling Point: 212.00 to 214.00 °C. @ 760.00 mm Hg Vapor Pressure: 0.112000 mmHg @ 25.00 °C. (est) Flash Point: 192.00 °F. TCC ( 88.89 °C. ) Product Number I0173 Purity / Analysis Method >98.0%(GC) Physical State (20 deg.C) Liquid Store Under Inert Gas Store under inert gas Condition to Avoid Air Sensitive CAS RN 88-69-7 PubChem Substance ID 87571558 SDBS (AIST Spectral DB) 2344 Transport Information: UN Number (DOT-AIR) UN3145 Class (DOT-AIR) 8 Packing Group (TCI-A) III HS Number 2907.19.2000 Storage and transportation: Should be sealed and stored in a dry, cool and ventilated warehouse Package: 200KG/drum Storage: It is recommended to store in dry and cool area with proper ventilation. Please fasten the lid as soon as possible after original packing to prevent the mixing of other substances such as moisture from affecting the product performance. Do not inhale dust and avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and wash them before use. Maintain good hygiene habits. https://www.newtopchem.com/archives/43088 Email us: info@newtopchem.com

2-(1-methylpropyl)phenol CAS89-72-5 2-sec-buty phenol 2-(1-methylpropyl)phenol 2-sec-buty phenol O-S-BUTYLPHENOL; ORTHO-SEC-BUTYLPHENOL; OSBP 1-(1-Methylpropyl)phenol; Phenol, o-sec-butyl-; Phenol,2-(1-methylpropyl) CAS No. 89-72-5 Molecular formula C10H14O EINECS No. 201-933-8 Hazardous material transport number UN 3145 RTECS No. SJ8920000 Hazard class 8 Packing group III Customs code 29071910 Product Number B0732 Purity / Analysis Method >97.0%(GC) Molecular Formula / Molecular Weight C10H14O = 150.22  Physical State (20 deg.C) Liquid Store Under Inert Gas Store under inert gas Condition to Avoid Air Sensitive CAS RN 89-72-5 Reaxys Registry Number 1210026 PubChem Substance ID 87563733 SDBS (AIST Spectral DB) 1789 MDL Number MFCD00002225 Specifications Appearance White to Light yellow powder to crystal Properties (reference) Melting Point 14 °C Boiling Point 228 °C Flash point 102 °C Specific Gravity (20/20) 0.98 Refractive Index 1.52 Solubility in water Insoluble Solubility (soluble in) Alcohol, Ether Transport Information: UN Number (DOT-AIR) UN3145 Class (DOT-AIR) 8 Packing Group (TCI-A) III HS Number 2907.19.2000 Storage and transportation: Should be sealed and stored in a dry, cool and ventilated warehouse Package: 200KG/drum Storage: It is recommended to store in dry and cool area with proper ventilation. Please fasten the lid as soon as possible after original packing to prevent the mixing of other substances such as moisture from affecting the product performance. Do not inhale dust and avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and wash them before use. Maintain good hygiene habits. https://www.newtopchem.com/archives/43085 Email us: info@newtopchem.com

Methylcyclohexane CAS108-87-2 Cyclohxylmethane; heptanaphthene; methyl-cyclohexan; methylecyclohexane; Metylocykloheksan RTECS No. GV6125000 Molecular Formula C7H14 CAS No. 108-87-2 EINECS No. 203-624-3 UN Dangerous Goods Code (UN No.): 2296 Shipping name: Methylcyclohexane Hazardous classification ：3 Packing Group II Customs code 2902 19 00 grade anhydrous Quality Level 100 vapor density 3.4 (vs air) vapor pressure 37 mmHg ( 20 °C) 83.2 mmHg ( 37.7 °C) Assay ≥99% form liquid autoignition temp. 545 °F impurities <0.002% water <0.005% water (100 mL pkg) evapn. residue <0.0005% refractive index n20/D 1.422 (lit.) bp 101 °C (lit.) mp −126 °C (lit.) density 0.77 g/mL at 25 °C (lit.) SMILES string CC1CCCCC1 InChI 1S/C7H14/c1-7-5-3-2-4-6-7/h7H,2-6H2,1H3 InChI key UAEPNZWRGJTJPN-UHFFFAOYSA-N Application Methylcyclohexane may be used as a solvent for the synthesis of unsolvated n-butylmagnesium chloride by the reaction of 1-chlorobutane with magnesium powder. It may also be used as the starting material to synthesize 1-methylcyclohexanecarboxylic acid. Pharmaceutical intermediates. Methylcyclohexane is an important organic solvent and extractant, which can be used as a solvent for rubber, paint, varnish (some paint solvents also use methylcyclohexane), and can be used as oil extractant. Methylcyclohexane can be used in organic synthesis as solvent and analytical reagent. In addition, methylcyclohexane can also be used as a standard for thermometer calibration. The correction solution is usually made of methylcyclohexane as the main component. Description Catalogue Number 806147 Description Methylcyclohexane Product Information CAS number 108-87-2 EC index number 601-018-00-7 EC number 203-624-3 Hill Formula C₇H₁₄ Chemical formula C₆H₁₁CH₃ Molar Mass 98.19 g/mol HS Code 2902 19 00 Structure formula Image Quality Level MQ200 Physicochemical Information Appearance Form: liquid Color: colorless Explosion limit 1.1 - 6.7 %(V) Flash point -4 °C Ignition temperature 260 °C Melting Point -126.6 °C Solubility 0.014 g/l Initial boiling point and boiling range 101 °C 214 °F - lit. Upper/lower flammability or explosive limits Upper explosion limit: 6.7 %(V) Lower explosion limit: 1.1 %(V) Toxicological Information LD 50 dermal LD50 Rabbit > 86000 mg/kg Safety Information according to GHS Hazard Pictogram(s) Hazard Statement(s) H225: Highly flammable liquid and vapour. H304: May be fatal if swallowed and enters airways. H315: Causes skin irritation. H336: May cause drowsiness or dizziness. H410: Very toxic to aquatic life with long lasting effects. Precautionary Statement(s) P210: Keep away from heat, hot surfaces, sparks, open flames and other ignition sources. No smoking. P233: Keep container tightly closed. P273: Avoid release to the environment. P301 + P310: IF SWALLOWED: Immediately call a POISON CENTER/doctor. P303 + P361 + P353: IF ON SKIN (or hair): Take off immediately all contaminated clothing. Rinse skin with water. P331: Do NOT induce vomiting. P403 + P233: Store in a well-ventilated place. Keep container tightly closed. Signal Word Danger RTECS GV6125000 Storage class 3 Flammable liquids WGK WGK 2 obviously hazardous to water Safety Information Categories of danger highly flammable, irritant, harmful, dangerous for the environment Storage and Shipping Information Storage Store below +30°C. Transport Information Declaration (railroad and road) ADR, RID UN 2296 , 3, II Declaration (transport by air) IATA-DGR UN 2296 , 3, II Declaration (transport by sea) IMDG-Code UN 2296 , 3, II Specifications Assay (GC, area%) ≥ 99 % Density (d 20 °C/ 4 °C) 0.769 - 0.770 Identity (IR) passes test Storage and transportation: Should be sealed and stored in a dry, cool and ventilated warehouse Package: 200KG/drum Storage: It is recommended to store in dry and cool area with proper ventilation. Please fasten the lid as soon as possible after original packing to prevent the mixing of other substances such as moisture from affecting the product performance. Do not inhale dust and avoid skin and mucous membrane contact. Smoking, eating and drinking are prohibited in the workplace. After work, shower and change clothes. Store contaminated clothes separately and wash them before use. Maintain good hygiene habits. https://www.newtopchem.com/archives/43090 Email us: info@newtopchem.com

TMG N,N,N,N-Tetramethylguanidine CAS No.: 80-70-6 N,N,N,N-Tetramethylguanidine CAS No.: 80-70-6 Overview: Common Name: N,N,N,N-Tetramethylguanidine Other Chemical Names: N,N-Tetramethylguanidine;1,1,3,3-TetramethylGuanidine(TMG);1,1,3,3-Tetramethylgyanidine, 1,1,3,3-TetrChemicalbookamethylguanidine, ;N,N,N,N-Tetramethy1Guanidine; 1,1,3,3-Tetramethylguanidin; TMG; 1,1,3tetramethylguanidine MF：C5H13N3 MW：115.18 CAS：80-70-6 Typical Properties Appearance Form: liquid Colour: light yellow PH 12.7 at 10 g/l at 25 °C Melting point/freezing point Melting point/range: -80 °C at 1,013 hPa Initial boiling point and boiling range 162 - 163 °C - lit. 162 °C at 1,013 hPa Flash point 50 °C - closed cup Density 0.916g/cm3 at 20℃ Vapour pressure 2.9 hPa at 20 °C Description In organic synthesis, 1,1,3,3-tetramethylguanidine is used as a strong, non-nucleophilic base. 1,1,3,3-tetramethylguanidine is an efficient and selective catalyst for alcohol benzoylation. Physical and chemical properties tetramethylguanidine is a colorless oily liquid, boiling point 160-162℃, density 0.918, refractive index 1.4692, is a strong organic base, soluble in toluene, cyclohexanone, ethanol, etc., also Chemicalbook soluble in water, easily hydrolyzed to tetramethyl urea in alkaline aqueous solution, corrosive, generally packed in galvanized iron drums. Applications NT CAT TMG can also be used as a catalyst for polyurethane foam and for even dyeing of nylon, wool and other proteins to improve the durability of wool, etc. It is mainly used in the synthesis of cefradine and other drugs. Storage Information NEWTOP Chemical recommends that our catalysts be stored in a dry and cool area under appropriate ventilation conditions. Each container should be closed tightly to avoid contamination with moisture or other negative influences that could change the products performance in the end use. The optimum storage temperature is between 10 °C and 30° C. Lower and higher storage temperatures are not preferable and should be avoided. Shelf Life: 24 Months Standard Packaging: 180KG Steel Drum 900KG IBC Drum Sample contact：info@newtopchem.com More：https://www.newtopchem.com/archives/42570 Technical support and business contacts E-mail：info@newtopchem.com