Formula: NaBO2 4H2O Formula weight: 137.86 (65.80anhy) Purity: 98% CAS Number: 10555-76-7 Harmonized Tariff Code:  2840.20 Hazard Statements: H315-H319-H335 Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation. Precautionary Statements: …

United States Pharmacopeia (USP) Reference Standard Synonym(s): 1-Octadecanol; Octadecyl alcohol; Stearyl alcohol Empirical Formula: C₁₈H₃₈O Formula Weight: 270.49 Linear Formula: CH₃(CH₂)₁₇OH MDL Number: MFCD00002823 Melting…

Synonym(s): Methanesulfonic acid sodium salt Formula: CH₃SO₃Na Formula Weight: 118.09 CAS No.: 2386-57-4 Purity: 98% Packaging: 5, 100, 500 g in glass bottle

Synonym(s): Cristobalite; Quartz; Sand; Silica Empirical Formula: O₂Si Linear Formula: SiO₂ Formula Weight: 60.08 MDL Number: MFCD00011232 Purity: 99.9% trace metals basis Melting Point: 1610 °C(lit.) Density: 2.6 g/mL at…

Starch is a carbohydrate consisting of a large number of glucose units joined by glycosidic bonds. It contains Approximately 75% amylopectin & 25% amylose. This polysaccharide is produced by all green plants as an energy store. It is the most common carbohydrate in the human diet and is…

Grade: CP CAS No.: 10102-40-6

CAS Number: 68424-85-1 MDL number: MFCD00132866 General Description The 4 oz (or ~118.3 mL) bottle of SigmaClean® water bath treatment can be used to treat about 8 gallons (or 30.2 L) of water. These instructions provide an extremely concentrated bath solution. S5525 is…

Purity: 99.5% CAS Number: 7631-86-9 Harmonized Tariff Code:  2811.22

1 Analyte(s) @ 1000 µg/mL in water with dilute nitric acid

Grade: Reagent CAS No.: 150-90-3

Formula: Na2CO3 in 5 HNO3 UN Number: UN3264 Hazard Class: 8 Packing Group: III Harmonized Tariff Code:  3822.00 Hazard Statements: H314 Causes severe skin burns and eye damage. Precautionary Statements: P260-P303+P361+P353-P305+P351+P338-P301+P330+P331-P405-P501a Do not…

TraceCERT ® , 1000 mg/L silicate in water

tested according to Ph.Eur., anhydrous Synonym(s): Natrii sulfas anhydricus Empirical Formula: Na₂O₄S Formula Weight: 142.04 Linear Formula: Na₂SO₄ MDL Number: MFCD00003504 Melting Point: 884 °C(lit.) Density: …

CAS No.: 14808-60-7

Formula: NaCL Formula Weight: 98.08 CAS Number: 7664-93-9 Product is double-distilled and packed in class 100 clean room conditions into preleached FEP bottles. Each FEP bottle is packed in an EPS innerpack and then packed into a 1x regulated carton with a Certificate of Analysis.

Synonyms: Sodium disulfite; Sodium pyrosulfite Formula: Na₂S₂O₅ Formula Weight: 190.11 CAS No.: 7681-57-4 Purity: 97% Supplemental Hazard Statements: Contact with acids liberates toxic gas. Packaging: 2.5 kg in poly bottle Packaging: 500 g in…

Synonyms: Citric acid trisodium salt dihydrate; Trisodium citrate dihydrate Formula: HOC(COONa)(CH₂COONa)₂ · 2H₂O Formula Weight: 294.10 CAS No.: 6132-04-3 Purity: ≥99.0% (NT)

Grade: Reagent, ACS CAS No.: 20624-25-3

Synonyms: Sulfuric acid disilver(I) salt Formula: Ag₂SO₄ Formula Weight: 311.80 CAS No.: 10294-26-5 Purity: 99% Packaging: 10, 100 g in glass bottle Packaging: 500 g in poly bottle

Synonyms: TSP; Trisodium phosphate (tert) dodecahydrate; Trisodium phosphate dodecahydrate Formula: Na₃PO₄ · 12H₂O Formula Weight: 380.12 CAS No.: 10101-89-0 Purity: ≥98% Density: 1.62 g/mL at 25 °C

Synonym(s): Sodium dioxide, Sodium superoxide Formula: Na2O2 Formula weight: 77.98 Purity: 95% CAS Number: 1313-60-6 UN Number: UN1504 Hazard Class: 5.1 Packing Group: I Harmonized Tariff Code:  2815.30 Hazard Statements: H271-H314 May cause fire or explosion; strong…

Synonym(s): Selenium disulfide Formula: SeS2 Formula weight: 143.09 Purity: 97% CAS Number: 7488-56-4 UN Number: UN2657 Hazard Class: 6.1 Packing Group: II Harmonized Tariff Code:  2830.90 Hazard Statements: H301-H331-H373 Toxic if swallowed. Toxic if inhaled. May cause…

Formula: H₂SO₄ Formula Weight: 98.08 CAS Number: 7664-93-9

Formula: H₂SO₄ Formula Weight: 98.07 CAS Number: 7664-93-9

Density: 1.16 g/mL at 20 °C Storage: room temp

ERM ® certified Reference Material

For use with 0-8 and 0-10 mg/L HR DPD Chlorine methods Use with Hach Colorimeters and Spectrophotometers Solid Gel Standard - No preparation required Ideal for instrument verification in the lab and in the field 2-year guaranteed performance

Synonym(s): Formic acid sodium salt Empirical Formula: CHNaO₂ Linear Formula: HCOONa Formula Weight: 68.01 MDL Number: MFCD00013101 Purity: ≥99.0% (NT) Melting Point: 259-262 °C(lit.) Beilstein Registry Number: 3595134

CAS No.: 112926-00-8 Purity: ≥99% Legal Information: Davisil is a registered trademark of W.R. Grace & Co.-Conn. Packaging: 1 kg in poly bottle Packaging: 100 g in poly bottle Packaging: 25 kg in fiber drum