Note: Ingredients listed on restricted chemical lists
EC/CAS
7732-18-5
Name of the chemical
Water, distilled, conductivity or of similar purity H2O
Concentration
>90.0%
EC/CAS
1310-73-2
Name of the chemical
sodium hydroxide
Concentration
0.1-1.0%
EC/CAS
99-76-3
Name of the chemical
4-hydroxybenzoic acid, methyl ester
Concentration
<0.1%
EC/CAS
1934-21-0
Name of the chemical
Trisodium 5-hydroxy-1-(4-sulphophenyl)-4-(4-sulphophenylazo)pyrazole-3-carboxylate and aluminium lake (17); (CI 19140)
Concentration
<0.1%
EC/CAS
3844-45-9
Name of the chemical
Benzenemethanaminium, N-ethyl-N-[4-[[4-[ethyl-[(3-sulfophenyl)-methyl]-amino]-phenyl](2-sulfophenyl)methylene]-2,5-cyclohexadien-1-ylidene]-3-sulfo, inner salts, disodium salt and its ammonium and aluminium salts (17); (CI 42090)
Concentration
<0.1%
General Information
Revision date
2026-01-02
Product name
pH 5.00 Buffer
1.2.1 Relevant identified uses
Use as laboratory reagent
Emergency telephone
1-800-688-4005
Icons in SDS
Company Information
company name
Nelson-Jameson, Inc
e-mail address of the competent person responsible for the Safety Data Sheet
sales@nelsonjameson.com
Section 2
SECTION 2: Hazards identification
This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Classification
Prevention
Wash face, hands and any exposed skin thoroughly after handling Wear protective gloves/protective clothing/eye protection/face protection
Response
Specific treatment (see supplemental instructions on the administration of antidotes on this label) IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing If eye irritation persists: Get medical advice/attention IF ON SKIN: Wash with plenty of soap and water If skin irritation occurs: Get medical advice/attention Take off contaminated clothing and wash before reuse
2.3 Other hazards
No information available
Further information
No information available
2.1 Classification of the substance or mixture
OSHA Regulatory Status This chemical is considered hazardous by the 2012 OSHA Hazard Communication Standard (29 CFR 1910.1200) Skin Corrosion/irritation Category 2 Serious Eye Damage/Eye Irritation